Bad python syntax recognition for match-case statement

## Description

The notebook editor seems to not recognise match-case statements properly, if the condition isn't extra simple.

Of course, this means bad highlighting which is a bit disappointing, but also messes up auto-indenting which really makes editing the code difficult.

## Reproduce

Make a python notebook, and add the following code (a simplified example, I encountered this with more meaningful code):

```python
match 1:
case 1 if True==True and True:
print(1)
case 2:
pass
```

If reproduced correctly, the `case 2:` part (line 4) has no highlight (make sure that the other stuff is highlighting as usual, I think I had to select a kernel? Usual notebook stuff).
In fact, the editor treats the match-case statement as ending at the first case, and inserting a newline at the beginning of it (`` with cursor at the end of line 2) will automatically drop the indent.

Notably, the same does not occur if line 2 is simply replaced by `case 1 if True and True:` or `case 1 if True==True:`.

The same reproduces in a fresh pyenv virtualenv, after a `pip install jupyterlab` (only `pip` and `wheel` in the base 3.13.3 install).
Let me know if hard to reproduce, I'll see what I can figure out to narrow stuff down.

## Expected behavior

Correctly handled match-case syntax.

## Context

- Operating System and version: Linux 6.17.7, Garuda Linux (arch derivative)
- Browser and version: Firefox 145.0
- Jupyter Notebook version: 7.4.4

Am using pyenv (don't think that should be an issue).

Troubleshoot Output
Yes, my $PATH is awful 😆

$PATH:

	/home/james/.pyenv/versions/testrun/bin

	/home/james/.pyenv/libexec

	/home/james/.pyenv/plugins/python-build/bin

	/home/james/.pyenv/plugins/pyenv-virtualenv/bin

	/home/james/.pyenv/plugins/pyenv-update/bin

	/home/james/.pyenv/plugins/pyenv-doctor/bin

	/home/james/.nodenv/shims

	/home/james/.pyenv/shims

	/opt/llama-cpp/bin

	/home/james/.nodenv/bin

	/home/james/.cargo/bin

	/home/james/.pyenv/bin

	/home/james/.nodenv/shims

	/usr/local/sbin

	/usr/local/bin

	/usr/bin

	/usr/bin/site_perl

	/usr/bin/vendor_perl

	/usr/bin/core_perl

	/home/james/.cargo/bin

	/home/james/.pyenv/bin

	/home/james/.cargo/bin

	/home/james/.pyenv/bin


sys.path:

	/home/james/.pyenv/versions/3.13.3/envs/testrun/bin

	/home/james/.pyenv/versions/3.13.3/lib/python313.zip

	/home/james/.pyenv/versions/3.13.3/lib/python3.13

	/home/james/.pyenv/versions/3.13.3/lib/python3.13/lib-dynload

	/home/james/.pyenv/versions/3.13.3/envs/testrun/lib/python3.13/site-packages

sys.executable:

	/home/james/.pyenv/versions/3.13.3/envs/testrun/bin/python

sys.version:

	3.13.3 (main, Nov 13 2025, 16:46:05) [GCC 15.2.1 20250813]

platform.platform():

	Linux-6.17.7-zen1-1-zen-x86_64-with-glibc2.42

which -a jupyter:

	/home/james/.pyenv/versions/testrun/bin/jupyter

	/home/james/.pyenv/shims/jupyter

pip list:

	Package                   Version

	------------------------- -----------

	anyio                     4.11.0

	argon2-cffi               25.1.0

	argon2-cffi-bindings      25.1.0

	arrow                     1.4.0

	asttokens                 3.0.0

	async-lru                 2.0.5

	attrs                     25.4.0

	babel                     2.17.0

	beautifulsoup4            4.14.2

	bleach                    6.3.0

	certifi                   2025.11.12

	cffi                      2.0.0

	charset-normalizer        3.4.4

	comm                      0.2.3

	debugpy                   1.8.17

	decorator                 5.2.1

	defusedxml                0.7.1

	executing                 2.2.1

	fastjsonschema            2.21.2

	fqdn                      1.5.1

	h11                       0.16.0

	httpcore                  1.0.9

	httpx                     0.28.1

	idna                      3.11

	ipykernel                 7.1.0

	ipython                   9.7.0

	ipython_pygments_lexers   1.1.1

	isoduration               20.11.0

	jedi                      0.19.2

	Jinja2                    3.1.6

	json5                     0.12.1

	jsonpointer               3.0.0

	jsonschema                4.25.1

	jsonschema-specifications 2025.9.1

	jupyter_client            8.6.3

	jupyter_core              5.9.1

	jupyter-events            0.12.0

	jupyter-lsp               2.3.0

	jupyter_server            2.17.0

	jupyter_server_terminals  0.5.3

	jupyterlab                4.4.10

	jupyterlab_pygments       0.3.0

	jupyterlab_server         2.28.0

	lark                      1.3.1

	MarkupSafe                3.0.3

	matplotlib-inline         0.2.1

	mistune                   3.1.4

	nbclient                  0.10.2

	nbconvert                 7.16.6

	nbformat                  5.10.4

	nest-asyncio              1.6.0

	notebook_shim             0.2.4

	packaging                 25.0

	pandocfilters             1.5.1

	parso                     0.8.5

	pexpect                   4.9.0

	pip                       25.0.1

	platformdirs              4.5.0

	prometheus_client         0.23.1

	prompt_toolkit            3.0.52

	psutil                    7.1.3

	ptyprocess                0.7.0

	pure_eval                 0.2.3

	pycparser                 2.23

	Pygments                  2.19.2

	python-dateutil           2.9.0.post0

	python-json-logger        4.0.0

	PyYAML                    6.0.3

	pyzmq                     27.1.0

	referencing               0.37.0

	requests                  2.32.5

	rfc3339-validator         0.1.4

	rfc3986-validator         0.1.1

	rfc3987-syntax            1.1.0

	rpds-py                   0.28.0

	Send2Trash                1.8.3

	setuptools                80.9.0

	six                       1.17.0

	sniffio                   1.3.1

	soupsieve                 2.8

	stack-data                0.6.3

	terminado                 0.18.1

	tinycss2                  1.4.0

	tornado                   6.5.2

	traitlets                 5.14.3

	typing_extensions         4.15.0

	tzdata                    2025.2

	uri-template              1.3.0

	urllib3                   2.5.0

	wcwidth                   0.2.14

	webcolors                 25.10.0

	webencodings              0.5.1

	websocket-client          1.9.0

Start by reproducing the provided match-case example in a fresh JupyterLab installation, checking both syntax highlighting and auto-indentation in the notebook editor. Trace the editor's Python syntax-recognition behavior for the conditional expression and verify that the second case remains highlighted and indentation is preserved.

Written by the indexing model from the issue text.