[backport core/1.41] fix: App mode - workaround for alt+m producing alt+μ on mac (#10535)

Backport of #10528 to `core/1.41`

Automatically created by backport workflow.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-10535-backport-core-1-41-fix-App-mode-workaround-for-alt-m-producing-alt-on-mac-32e6d73d36508175a68cfc11bf40e6ad)
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',