MWPW-187566 Loc - Fix english copy error check (#177)

When there are no errors during English copy, `this._urlErrors` is not initialized, causing the `this._urlErrors.length` check to fail.

Fix #MWPW-187566

Co-authored-by: Raghu A <raga@raghus-mbp-3.corp.adobe.com>

Author: raga-adbe-gh

nx/blocks/loc/views/translate/translate.js

@@ -241,7 +241,7 @@ class NxLocTranslate extends LitElement {
     });
 
     // Do not continue if any errors
-    if (this._urlErrors.length) return;
+    if (this._urlErrors?.length) return;
 
     const { org, site, title, options } = this.project;