Fix relative path completions when self package.json has typesVersions (#54842)

Author: andrewbranch

src/services/stringCompletions.ts

@@ -598,7 +598,7 @@ function getCompletionEntriesForRelativeModules(literalValue: string, scriptDire
             compilerOptions.rootDirs, literalValue, scriptDirectory, extensionOptions, compilerOptions, host, scriptPath);
     }
     else {
-        return arrayFrom(getCompletionEntriesForDirectoryFragment(literalValue, scriptDirectory, extensionOptions, host, /*moduleSpecifierIsRelative*/ false, scriptPath).values());
+        return arrayFrom(getCompletionEntriesForDirectoryFragment(literalValue, scriptDirectory, extensionOptions, host, /*moduleSpecifierIsRelative*/ true, scriptPath).values());
     }
 }
 

tests/cases/fourslash/pathCompletionsTypesVersionsLocal.ts

@@ -0,0 +1,22 @@
+/// <reference path="fourslash.ts" />
+
+// @Filename: /package.json
+//// {
+////   "typesVersions": {
+////     "*": {
+////       "*": ["./src/*"]
+////     }
+////   }
+//// }
+
+// @Filename: /src/add.ts
+//// export function add(a: number, b: number) { return a + b; }
+
+// @Filename: /src/index.ts
+//// import { add } from ".//**/";
+
+verify.completions({
+  marker: "",
+  isNewIdentifierLocation: true,
+  exact: ["add"],
+});