[SourceKit] Allow references to non-editable base names to be returned by the related identifiers request

While we don't want to return non-editable base names for Edit-All-In-Scope, we do want to return them if the related identifiers response is used as the input for find-syntactic-rename-ranges.

tools/SourceKit/lib/SwiftLang/SwiftLangSupport.h

@@ -682,8 +682,8 @@ public:
 
   void findRelatedIdentifiersInFile(
       StringRef PrimaryFilePath, StringRef InputBufferName, unsigned Offset,
-      bool CancelOnSubsequentRequest, ArrayRef<const char *> Args,
-      SourceKitCancellationToken CancellationToken,
+      bool IncludeNonEditableBaseNames, bool CancelOnSubsequentRequest,
+      ArrayRef<const char *> Args, SourceKitCancellationToken CancellationToken,
       std::function<void(const RequestResult<RelatedIdentsResult> &)> Receiver)
       override;