vial/encoders: use action_exec hack to support any keycode

quantum/dynamic_keymap.c

@@ -177,8 +177,17 @@ void dynamic_keymap_set_buffer(uint16_t offset, uint16_t size, uint8_t *data) {
     }
 }
 
+#ifdef VIAL_ENCODERS_ENABLE
+extern uint16_t g_vial_magic_keycode_override;
+#endif
+
 // This overrides the one in quantum/keymap_common.c
 uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key) {
+#ifdef VIAL_ENCODERS_ENABLE
+    if (key.row == 254 && key.col == 254)
+        return g_vial_magic_keycode_override;
+#endif
+
     if (layer < DYNAMIC_KEYMAP_LAYER_COUNT && key.row < MATRIX_ROWS && key.col < MATRIX_COLS) {
         return dynamic_keymap_get_keycode(layer, key.row, key.col);
     } else {