Change usage of String.prototype.startsWith to ts.startsWith.

Author: j-oliveras

src/compiler/inspectValue.ts

@@ -148,8 +148,7 @@ namespace ts {
     }
 
     export function isJsPrivate(name: string): boolean {
-        return name.startsWith("_");
-    }
+        return startsWith(name, "_");    }
 
     function tryRequire(fileNameToRequire: string): unknown {
         try {