fix crash on logout, change several logger.debug to verbose, adjustments to player cache generation, fixes to file scan manager, better handling disconnects, some refactoring, adjustments to intro UI, correct display of server state

MareSynchronos/WebAPI/ApIController.Functions.Users.cs

@@ -17,12 +17,6 @@ namespace MareSynchronos.WebAPI
             await CreateConnections();
         }
 
-        public async Task GetCharacterData(Dictionary<string, int> hashedCharacterNames)
-        {
-            await _userHub!.InvokeAsync("GetCharacterData",
-                hashedCharacterNames);
-        }
-
         public async Task Register()
         {
             if (!ServerAlive) return;
@@ -30,7 +24,7 @@ namespace MareSynchronos.WebAPI
             var response = await _userHub!.InvokeAsync<string>("Register");
             _pluginConfiguration.ClientSecret[ApiUri] = response;
             _pluginConfiguration.Save();
-            ChangingServers?.Invoke(null, EventArgs.Empty);
+            RegisterFinalized?.Invoke();
             await CreateConnections();
         }