Revert "fix: prevent browser tab fallback in editor (#2123)"

This reverts commit 1d2486455f.

apps/client/src/features/editor/page-editor.tsx

@@ -238,14 +238,6 @@ export default function PageEditor({
               event.preventDefault();
               return true;
             }
-            if (event.key === "Tab") {
-                const editor = editorRef.current;
-                if (!editor) return false;
-                event.preventDefault();
-                return editor.view.someProp("handleKeyDown", (f) =>
-                  f(editor.view, event)
-                );
-            }
             if (platformModifierKey(event) && event.code === "KeyK") {
               searchSpotlight.open();
               return true;