Group Global Tasks by Type to prevent adding multiple tasks for the s…

…ame type

Several Frontend fixes
Fix PageTpe selection to be set, when dropdown is opened

MyCBZ/Events/GlobalActionRequiredEvent.cs

@@ -11,12 +11,16 @@ internal class GlobalActionRequiredEvent
     {
         public const int MESSAGE_TYPE_INFO = 0;
         public const int MESSAGE_TYPE_WARNING = 1;
-        public const int MESSAGe_TYPE_ERROR = 2;
+        public const int MESSAGE_TYPE_ERROR = 2;
+
+        public const string TASK_TYPE_INDEX_REBUILD = "REBUILD_INDEX";
+        public const string TASK_TYPE_UPDATE_IMAGE_METADATA = "UPDATE_IMAGE_METADATA";
 
         public ProjectModel ArchiveInfo { get; set; }
 
         public int Type { get; set; }
 
+        public string TaskType { get; set; }
 
         public Task<TaskResult> Task { get; set; }
 
@@ -33,13 +37,14 @@ public GlobalActionRequiredEvent(ProjectModel project, int type, String message,
             ButtonText = buttonText;
         }
 
-        public GlobalActionRequiredEvent(ProjectModel project, int type, String message, String buttonText, Task<TaskResult> task)
+        public GlobalActionRequiredEvent(ProjectModel project, int type, String message, String buttonText, String taskType, Task<TaskResult> task)
         {
             ArchiveInfo = project;
             Type = type;
             Message = message;
-            Task = task;
             ButtonText = buttonText;
+            TaskType = taskType;
+            Task = task;       
         }   
     }
 }