Editor Debt Plan

[hediet]

ToDo:

• Implement eluded text #136284
• Investigate removing ModesRegistry and LanguageConfigurationRegistry #172925

Done:

• Adopt injected text in places which now inject text via CSS Adopt injected text infrastructure for other features #132537 (registerDecorationType) @hediet
• ViewLinesChangedEvent.toLineNumber to count @alexdima
• PrefixSumComputer.getPrefixSum should be strict smaller < (to save a -1) #136352
• Remove usages of "modeId" and variants from our sources, IModeService => ILanguageService @alexdima
• Improve createModelServices and createCodeEditorServices #136380
• fix typing Editor.getContribution can be undefined @alexdima
• Clean up LineBreakData #136285
• withInserted executes on line tokens before it gets sliced, share model lines across view lines for better performance. Also see sliceAndInflate (move the loop inside) #136286
• Emit events from the editor instance only when the state is "valid" #145872 @alexdima
• Adopt ILanguageConfigurationService instead of LanguageConfigurationRegistry for reading