Make it work

Add a mutex to prevent a race condition when a "your pw is wrong" warning is sent, resulting in multiple messeges being sent.

Do not mute the device chat but "only" send MsgsChanged event when no
notification shall be shown.

More logging.

src/context.rs

@@ -53,6 +53,8 @@ pub struct InnerContext {
     pub(crate) generating_key_mutex: Mutex<()>,
     /// Mutex to enforce only a single running oauth2 is running.
     pub(crate) oauth2_mutex: Mutex<()>,
+    /// Mutex to prevent a race condition when a "your pw is wrong" warning is sent, resulting in multiple messeges being sent.
+    pub(crate) wrong_pw_warning_mutex: Mutex<()>,
     pub(crate) translated_stockstrings: RwLock<HashMap<usize, String>>,
     pub(crate) events: Events,
 
@@ -120,6 +122,7 @@ impl Context {
             last_smeared_timestamp: RwLock::new(0),
             generating_key_mutex: Mutex::new(()),
             oauth2_mutex: Mutex::new(()),
+            wrong_pw_warning_mutex: Mutex::new(()),
             translated_stockstrings: RwLock::new(HashMap::new()),
             events: Events::default(),
             scheduler: RwLock::new(Scheduler::Stopped),