Fix #21641, Add indirect location for default imports for synthetic defaults (#21703) (#21746)

Author: weswigham

src/services/importTracker.ts

@@ -107,6 +107,11 @@ namespace ts.FindAllReferences {
                             if (namedBindings && namedBindings.kind === SyntaxKind.NamespaceImport) {
                                 handleNamespaceImport(direct, namedBindings.name);
                             }
+                            else if (isDefaultImport(direct)) {
+                                const sourceFileLike = getSourceFileLikeForImportDeclaration(direct);
+                                addIndirectUser(sourceFileLike); // Add a check for indirect uses to handle synthetic default imports
+                                directImports.push(direct);
+                            }
                             else {
                                 directImports.push(direct);
                             }

tests/cases/fourslash/esModuleInteropFindAllReferences.ts

@@ -0,0 +1,12 @@
+// @esModuleInterop: true
+
+// @Filename: /abc.d.ts
+////declare module "a" {
+////    export const [|x|]: number;
+////}
+
+// @Filename: /b.ts
+////import * as a from "a";
+////a.[|x|];
+
+verify.rangesReferenceEachOther();