Replaced almost all CallMethodActions with RelayCommands (allows using async)

SonarQube bug correction

ModernKeePass/Interfaces/IPwEntity.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Windows.Input;
 using ModernKeePass.ViewModels;
 
 namespace ModernKeePass.Interfaces
@@ -14,6 +15,14 @@ namespace ModernKeePass.Interfaces
         bool IsEditMode { get; }
         bool IsRecycleOnDelete { get; }
 
+        /// <summary>
+        /// Save changes to Model
+        /// </summary>
+        ICommand SaveCommand { get; }
+        /// <summary>
+        /// Restore ViewModel
+        /// </summary>
+        ICommand UndoDeleteCommand { get; }
         /// <summary>
         /// Move a entity to the destination group
         /// </summary>
@@ -24,14 +33,6 @@ namespace ModernKeePass.Interfaces
         /// </summary>
         void CommitDelete();
         /// <summary>
-        /// Restore ViewModel
-        /// </summary>
-        void UndoDelete();
-        /// <summary>
-        /// Save changes to Model
-        /// </summary>
-        void Save();
-        /// <summary>
         /// Delete from ViewModel
         /// </summary>
         void MarkForDelete(string recycleBinTitle);