refactor(core): optimize the implementation about finding context from error in ErrorHandler (#42581)

in _findContext method, use conditional operator check whether the params 'error' exists and then us reccursion way to find context in original error  if getDebugContext's result does not exist.

PR Close #42581

packages/core/src/error_handler.ts

@@ -59,7 +59,7 @@ export class ErrorHandler {
 
   /** @internal */
   _findContext(error: any): any {
-    return !error ? null : getDebugContext(error) ?? this._findContext(getOriginalError(error));
+    return error ? (getDebugContext(error) || this._findContext(getOriginalError(error))) : null;
   }
 
   /** @internal */