MFKey app fal fix (#224)

Co-authored-by: doomwastaken <k.volkov@flipperdevices.com>

application.fam

@@ -24,4 +24,5 @@ App(
     entry_point="init_plugin_ep",
     requires=["mfkey"],
     sources=["init_plugin.c"],
+    fal_embedded=True,
 )