Slow response, loading spinner while editing

Hi,

while editing in Haskell mode (Tidal Cycles files) Emacs quite frequently pauses, shows a spinner and I have to Ctrl-G to be able to go on. It happens mostly while deleting single characters. I can track it down to `haskell-lexeme-looking-at-token`

[details="Output of Emacs profiler"]
```
- command-execute 449,499,671 76%
- apply 449,499,671 76%
- ad-Advice-command-execute 449,499,671 76%
- # 449,499,671 76%
- call-interactively 449,480,923 76%
- funcall-interactively 449,430,595 76%
- self-insert-command 382,418,053 65%
- symbol-overlay-refresh 381,427,745 65%
- looking-at 381,412,589 65%
- internal--syntax-propertize 381,412,589 65%
- syntax-propertize 381,408,453 65%
- haskell-syntax-propertize 381,408,453 65%
- haskell-lexeme-looking-at-token 381,408,453 65%
- haskell-lexeme-looking-at-quasi-quote-literal 340,638,061 58%
- rx-to-string 325,985,069 55%
- rx--translate 246,061,233 41%
- rx--translate-form 246,061,233 41%
- rx--translate-seq 246,061,233 41%
+ mapcar 125,177,745 21%
+ rx--sequence 84,254,016 14%
+ rx--atomic-regexp 54,976,548 9%
apply 24,946,808 4%
haskell-lexeme-looking-at-qidsym 6,144 0%
haskell-lexeme-looking-at-char-literal 2,048 0%
haskell-lexeme-looking-at-string-literal 2,048 0%
+ match-string-no-properties 1,184 0%
+ electric-pair-post-self-insert-function 987,140 0%
+ counsel-M-x 55,657,316 9%
+ all-the-icons-ivy-rich-kill-buffer 5,692,074 0%
+ previous-line 2,177,076 0%
+ next-line 1,352,840 0%
+ hungry-delete-backward 1,034,512 0%
+ handle-focus-out 386,236 0%
+ handle-focus-in 368,284 0%
+ smart-region 167,336 0%
right-char 70,592 0%
+ profiler-report-toggle-entry 62,890 0%
left-char 25,760 0%
+ mouse-drag-region 8,408 0%
+ kill-line 4,424 0%
+ left-word 2,048 0%
delete-window 1,690 0%
+ byte-code 50,328 0%
+ timer-event-handler 52,973,797 9%
+ redisplay_internal (C function) 42,000,655 7%
+ symbol-overlay-post-command 38,110,756 6%
+ flyspell-post-command-hook 1,356,718 0%
+ winner-save-old-configurations 937,504 0%
+ gcmh-register-idle-gc 421,272 0%
mouse-fixup-help-message 243,188 0%
+ jit-lock--antiblink-post-command 132,249 0%
+ # 60,808 0%
+ # 33,260 0%
+ yas-maybe-expand-abbrev-key-filter 27,108 0%
+ gui-set-selection 19,976 0%
+ eldoc-schedule-timer 19,064 0%
+ tooltip-show-help 15,424 0%
+ company-post-command 10,416 0%
+ xselect-convert-to-targets 9,328 0%
+ blink-cursor-check 8,188 0%
tooltip-hide 7,248 0%
+ undo-auto--add-boundary 5,280 0%
+ prettify-symbols--post-command-hook 5,280 0%
+ # 2,328 0%
+ blink-cursor-end 2,112 0%
+ xselect-convert-to-string 1,252 0%
+ solaire-global-mode-check-buffers 1,056 0%
+ projectile-rails-global-mode-check-buffers 1,056 0%
+ global-hl-todo-mode-check-buffers 1,056 0%
+ global-hungry-delete-mode-check-buffers 1,056 0%
+ global-hl-line-highlight 1,056 0%
mouse--down-1-maybe-follows-link 1,056 0%
+ clear-transient-map 1,056 0%
+ global-eldoc-mode-check-buffers 1,056 0%
+ global-tree-sitter-mode-check-buffers 1,056 0%
+ global-flycheck-mode-check-buffers 1,056 0%
+ global-company-mode-check-buffers 1,056 0%
+ global-aggressive-indent-mode-check-buffers 1,056 0%
+ deactivate-mark 976 0%
+ mouse--click-1-maybe-follows-link 448 0%
... 0 0%
```
[/details]

I am using a Thinkpad Yoga 1. Gen, 16 MB RAM, Intel Core i7-6600U CPU @ 2.60GHz × 2 with Linux Mint 20.3 Cinnamon and Emacs 27.1.; tidal-mode is tidal-20210211.1531 and haskell-mode is haskell-mode-20210908.1543 from elpa - if that is some crucial information.

Please let me know if more information is necessary to maybe look into that.

I tried the solution from #1648 but this did not help.

I'd be grateful for any hints to make the mode work.