fixing some big bugs

application.fam

@@ -12,6 +12,6 @@ App(
     order=15,
     fap_author="@panki27",
     fap_weburl="https://github.com/panki27/bpm-tapper",
-    fap_version="1.0",
+    fap_version="1.1",
     fap_description="Tap center button to measure BPM",
 )

bpm.c

@@ -242,8 +242,9 @@ int32_t bpm_tapper_app(void* p) {
                 }
             }
         }
-        view_port_update(view_port);
+
         furi_mutex_release(bpm_state->mutex);
+        view_port_update(view_port);
     }
     view_port_enabled_set(view_port, false);
     gui_remove_view_port(gui, view_port);