2439 improve command menu item display in right panel (#21020)

## Before

<img width="1512" height="389" alt="image"
src="https://github.com/user-attachments/assets/33274356-fb99-4a02-baa7-c324e6d151c6"
/>


## After

<img width="1512" height="357" alt="image"
src="https://github.com/user-attachments/assets/c0affb71-e920-4d64-b2f0-1bed53209ea5"
/>

packages/twenty-shared/src/application/frontComponentManifestType.ts

@@ -3,6 +3,7 @@ import { type SyncableEntityOptions } from '@/application/syncableEntityOptionsT
 export type CommandMenuItemManifest = SyncableEntityOptions & {
   label: string;
   shortLabel?: string;
+  /** @deprecated icon will be ignored in favor of application icon */
   icon?: string;
   isPinned?: boolean;
   availabilityType?: