[v9.2.x] Canvas: Improve disabled inline editing UX (#58614)

Canvas: Improve disabled inline editing UX (#58610)

(cherry picked from commit fd6edbf8c5)

Co-authored-by: Nathan Marrs <nathanielmarrs@gmail.com>

public/app/features/canvas/runtime/scene.tsx

@@ -472,7 +472,7 @@ export class Scene {
         this.selecto.getSelectedTargets()[0].style.cursor = 'grabbing';
       }
 
-      if (isTargetMoveableElement || isTargetAlreadySelected) {
+      if (isTargetMoveableElement || isTargetAlreadySelected || !this.isEditingEnabled) {
         // Prevent drawing selection box when selected target is a moveable element or already selected
         event.stop();
       }