fixing some big bugs

application.fam

@@ -13,6 +13,6 @@ App(
     order=20,
     fap_author="@besya & (Fixes by @Willy-JL)",
     fap_weburl="https://github.com/besya/flipperzero-tuning-fork",
-    fap_version="1.0",
+    fap_version="1.1",
     fap_description="Tuning fork for tuning musical instruments",
 )

tuning_fork.c

@@ -388,8 +388,8 @@ int32_t tuning_fork_app() {
             }
         }
 
-        view_port_update(view_port);
         furi_mutex_release(tuning_fork_state->mutex);
+        view_port_update(view_port);
     }
 
     view_port_enabled_set(view_port, false);