Auto Build Marlin doesn't run Platformio in builds in Linux VSCode

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I'm running Zorin 18, VSCode installed via flatpak. Brand new installation.

I installed Auto Build Marlin. It installed the Platformio IDE extension successfully. When I select a workspcae through the ABM panel and click on Build, I got an error that platformio wasn't installed, and to install via apt. After running `sudo apt-get install platformio` and completing successfully, I restarted VS Code and tried building again, which now produces the following error:

me@mypc:~/V1Marlin$ platformio run --silent -e BIGTREE_SKR_PRO ; echo "done" >"/tmp/ipc"
Traceback (most recent call last):
File "/usr/bin/platformio", line 33, in
sys.exit(load_entry_point('platformio==4.3.4', 'console_scripts', 'platformio')())
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/bin/platformio", line 25, in importlib_load_entry_point
return next(matches).load()
^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.12/importlib/metadata/__init__.py", line 205, in load
module = import_module(match.group('module'))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.12/importlib/__init__.py", line 90, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "", line 1387, in _gcd_import
File "", line 1360, in _find_and_load
File "", line 1331, in _find_and_load_unlocked
File "", line 935, in _load_unlocked
File "", line 995, in exec_module
File "", line 488, in _call_with_frames_removed
File "/usr/lib/python3/dist-packages/platformio/__main__.py", line 66, in
@cli.resultcallback()
^^^^^^^^^^^^^^^^^^
AttributeError: 'PlatformioCLI' object has no attribute 'resultcallback'. Did you mean: 'result_callback'?

Start by reproducing the Auto Build Marlin build command shown in the report from the ABM panel in Linux VSCode with the PlatformIO installation described. Investigate why `platformio run --silent -e BIGTREE_SKR_PRO` reaches the Python `resultcallback` error, and consider the build fixed when the command completes without that traceback.

Written by the indexing model from the issue text.