Fixes and refactors

Frontend/tools/xpath.html

@@ -17274,7 +17274,6 @@
 
             if (document.queryCommandSupported('insertText')) {
                 document.execCommand('insertText', false, text);
-                highlightSyntax(editorEle.id);
             } else {
                 // Insert text at the current position of caret
                 const range = document.getSelection().getRangeAt(0);
@@ -17288,9 +17287,8 @@
                 const selection = window.getSelection();
                 selection.removeAllRanges();
                 selection.addRange(range);
-
-            
             }
+            highlightSyntax(editorEle.id);
             
         });