Swallow getLayoutMap() error (#2790)

* Fix getLayoutMap() bug

* Update CHANGELOG.md

---------

Co-authored-by: Angus <angus@coefficient.io>
Co-authored-by: Peter <specc.dev@gmail.com>

docs/CHANGELOG.md

@@ -3,6 +3,7 @@
 ### 2.30.6
 
 – `Fix` – Fix the display of ‘Convert To’ near blocks that do not have the ‘conversionConfig.export’ rule specified
+– `Fix` – The Plus button does not appear when the editor is loaded in an iframe in Chrome
 
 ### 2.30.5
 

src/components/utils/keyboard.ts

@@ -47,8 +47,15 @@ export async function getKeyboardKeyForCode(code: string, fallback: string): Pro
     return fallback;
   }
 
-  const map = await keyboard.getLayoutMap();
-  const key = map.get(code);
+  try {
+    const map = await keyboard.getLayoutMap();
 
-  return key || fallback;
+    const key = map.get(code);
+
+    return key || fallback;
+  } catch (e) {
+    console.error(e);
+
+    return fallback;
+  }
 }