Added object base version of TryRemove API

Microsoft.Toolkit.Mvvm/Messaging/Microsoft.Collections.Extensions/DictionarySlim{TKey,TValue}.cs

@@ -139,6 +139,12 @@ public bool TryGetValue(TKey key, out TValue? value)
             return false;
         }
 
+        /// <inheritdoc/>
+        object? IDictionarySlim<TKey>.TryRemove(TKey key, out bool success)
+        {
+            return TryRemove(key, out success);
+        }
+
         /// <inheritdoc/>
         public TValue? TryRemove(TKey key, out bool success)
         {

Microsoft.Toolkit.Mvvm/Messaging/Microsoft.Collections.Extensions/IDictionarySlim{TKey,TValue}.cs

@@ -24,12 +24,7 @@ internal interface IDictionarySlim<in TKey, out TValue> : IDictionarySlim<TKey>
         /// <exception cref="ArgumentException">Thrown if the key wasn't present.</exception>
         TValue this[TKey key] { get; }
 
-        /// <summary>
-        /// Tries to remove a value with a specified key.
-        /// </summary>
-        /// <param name="key">The key of the value to remove.</param>
-        /// <param name="success">Whether or not the key was present.</param>
-        /// <returns>The removed value, if it was present.</returns>
-        TValue? TryRemove(TKey key, out bool success);
+        /// <inheritdoc cref="IDictionarySlim{TKey}.TryRemove(TKey,out bool)"/>
+        new TValue? TryRemove(TKey key, out bool success);
     }
 }

Microsoft.Toolkit.Mvvm/Messaging/Microsoft.Collections.Extensions/IDictionarySlim{TKey}.cs

@@ -18,6 +18,14 @@ internal interface IDictionarySlim<in TKey>
         /// </summary>
         int Count { get; }
 
+        /// <summary>
+        /// Tries to remove a value with a specified key.
+        /// </summary>
+        /// <param name="key">The key of the value to remove.</param>
+        /// <param name="success">Whether or not the key was present.</param>
+        /// <returns>The removed value, if it was present.</returns>
+        object? TryRemove(TKey key, out bool success);
+
         /// <summary>
         /// Removes an item from the dictionary with the specified key, if present.
         /// </summary>