[backport cloud/1.42] fix: App mode - workaround for alt+m producing alt+μ on mac (#10538)

Backport of #10528 to `cloud/1.42`

Automatically created by backport workflow.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-10538-backport-cloud-1-42-fix-App-mode-workaround-for-alt-m-producing-alt-on-mac-32e6d73d365081e4a5c1cc655b2dc6b0)
by [Unito](https://www.unito.io)

Co-authored-by: pythongosssss <125205205+pythongosssss@users.noreply.github.com>

src/platform/keybindings/defaults.ts

@@ -61,6 +61,13 @@ export const CORE_KEYBINDINGS: Keybinding[] = [
     },
     commandId: 'Comfy.ToggleLinear'
   },
+  {
+    combo: {
+      alt: true,
+      key: 'µ'
+    },
+    commandId: 'Comfy.ToggleLinear'
+  },
   {
     combo: {
       key: 's',