Disable document symbol request for files over 1MB

[yepitschunked]

I ran into a problem similar to #2985 with a massive schema graphql file (~2MB file). The performance was fine when the schema is not opened (e.g, hovering for type definintions and autocomplete), but the LSP was stuck at 100% as soon as I opened the schema. It looks like the language server was stuck in getOutline, which is called by textDocument/documentSymbol. I'm not sure why this is so slow, but I generally don't care about the outline in such a large file anyway, so it seems OK to disable that feature.

This PR adds a configuration option largeFileThreshold which defaults to 1000000. At the moment, it just disables document symbols computation, but there might be other expensive operations we could disable with this option as well.

I also noticed there was no logging for this LSP message, so I added it.

[changeset-bot]

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Latest commit: 367a247

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• ✅ login: yepitschunked (283ef81, 367a247)
• ✅ login: TallTed / name: Ted Thibodeau Jr (367a247)

[codecov]

Codecov Report

Merging #3430 (367a247) into main (2348641) will increase coverage by 0.06%.
Report is 37 commits behind head on main.
The diff coverage is 75.23%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3430      +/-   ##
==========================================
+ Coverage   55.75%   55.81%   +0.06%     
==========================================
  Files         110      110              
  Lines        5243     5271      +28     
  Branches     1426     1437      +11     
==========================================
+ Hits         2923     2942      +19     
- Misses       1897     1901       +4     
- Partials      423      428       +5     

Files	Coverage Δ
packages/graphiql-react/src/editor/context.tsx	73.39% <100.00%> (ø)
...raphql-language-service-server/src/GraphQLCache.ts	50.88% <50.00%> (ø)
...nguage-service/src/utils/getVariablesJSONSchema.ts	94.59% <98.38%> (+0.71%)	⬆️
packages/graphiql/src/components/GraphiQL.tsx	68.96% <0.00%> (-0.97%)	⬇️
...ql-language-service-server/src/MessageProcessor.ts	45.83% <55.00%> (-0.40%)	⬇️
packages/graphiql-react/src/editor/hooks.ts	40.15% <23.52%> (+1.56%)	⬆️

[acao]

looks great! thank you @yepitschunked !

[acao]

Oops, overlooked the missing changeset comment. I will have to fix this for the release to work.