Bug fixes

[Sarrus1]

• [ ] Goto Handle goes to using intrinsics.Handle rather than the enum Handle. #392
• [ ] Does not work for functions/definitions inside macros. #392

  #define TICK_INTERVAL   (GetTickInterval())
  #define TICKS_TO_TIME(%1)  ( TICK_INTERVAL *(%1) )

• [x] Block comments trip the preprocessor disabled blocks.
• [x] Failing to resolve scope_access on enum structs.
• [x] Implement signature provider.
• [ ] 'Show Definition Preview Hover' does not work on the last character of a function. #393
• [ ] Implement GoToReference provider. #362
• [x] Fix 'Request textDocument/semanticTokens/full failed.' on unsaved SP files.
• [x] Fix 'Request textDocument/definition failed.'.
• [x] Support operator overloads.
• [x] Clarify settings name migration. (see below)

The main settings of interest are now called:

• SourcePawnLanguageServer.compiler.path for the path to spcomp.
• SourcePawnLanguageServer.includeDirectories for the list of paths to include directories.

[Sarrus1]

Merging this as all the tasks have been fixed and/or triaged.