Support template variables in command menu item labels (#18707)

- Adds template variable interpolation (`${...}`) to command menu item
labels and short labels, enabling dynamic text like `Create new
${capitalize(objectMetadataItem.labelSingular)}` instead of static
`Create new record`.
- Supports `capitalize` and `lowercase` transform functions within
template expressions.

packages/twenty-server/src/engine/core-modules/application/application-manifest/converters/from-command-menu-item-manifest-to-universal-flat-command-menu-item.util.ts

@@ -25,7 +25,7 @@ export const fromCommandMenuItemManifestToUniversalFlatCommandMenuItem = ({
     universalIdentifier: commandMenuItemManifest.universalIdentifier,
     applicationUniversalIdentifier,
     label: commandMenuItemManifest.label,
-    shortLabel: null,
+    shortLabel: commandMenuItemManifest.shortLabel ?? null,
     position: 0,
     icon: commandMenuItemManifest.icon ?? null,
     isPinned: commandMenuItemManifest.isPinned ?? false,