fix: view and monaco glyph interactions with debug and diffviedw (#571)

Logic fix for handling monaco glyph mounting.

Originally it will error on diffView/debug mode due to rendering of
unmounted glyphs.
<img width="1094" alt="Screenshot 2024-02-20 at 3 05 05 PM"
src="https://github.com/near/queryapi/assets/42101107/9542852d-6a27-413a-9b56-d90a2abbb1fa">

Video post fix:

https://www.loom.com/share/dd797612590d4f12a27e7216ab009b68?sid=4ec944fd-e718-4851-b231-4339ffab5bd8

frontend/src/components/Editor/Editor.jsx

@@ -370,24 +370,23 @@ const Editor = ({ actionButtonText }) => {
   }
 
   function handleEditorWillMount(editor, monaco) {
-    const decorations = editor.deltaDecorations([],
-      [
-        {
-          range: new monaco.Range(1, 1, 1, 1),
-          options: {
-            isWholeLine: true,
-            glyphMarginClassName: "glyphSuccess",
-            glyphMarginHoverMessage: { value: "" },
+    if (!diffView) {
+      const decorations = editor.deltaDecorations([],
+        [
+          {
+            range: new monaco.Range(1, 1, 1, 1),
+            options: {},
           },
-        },
-      ]
-    );
+        ]
+      );
+      monacoEditorRef.current = editor;
+      setDecorations(decorations);
+    }
     monaco.languages.typescript.typescriptDefaults.addExtraLib(
       `${primitives}}`,
       "file:///node_modules/@near-lake/primitives/index.d.ts"
     );
-    monacoEditorRef.current = editor;
-    setDecorations(decorations);
+
     setMonacoMount(true);
   }