Fix Codacy issues

Author: timunie

src/MahApps.Metro/Controls/MultiSelectionComboBox/MultiSelectionComboBox.cs

@@ -1060,7 +1060,10 @@ private void MultiSelectionComboBox_Loaded(object sender, EventArgs e)
             Loaded -= MultiSelectionComboBox_Loaded;
 
             // If we have the ItemsSource set, we need to exit here. 
-            if (ReadLocalValue(ItemsSourceProperty) != DependencyProperty.UnsetValue) return;
+            if (ReadLocalValue(ItemsSourceProperty) != DependencyProperty.UnsetValue)
+            {
+                return;
+            }
 
             PART_PopupListBox.Items.Clear();
             foreach (var item in Items)
@@ -1086,15 +1089,15 @@ private void PART_SelectedItemsPresenter_SelectionChanged(object sender, Selecti
             PART_SelectedItemsPresenter.SelectedItem = null;
         }
 
-        private static void UpdateText(DependencyObject d, DependencyPropertyChangedEventArgs _)
+        private static void UpdateText(DependencyObject d, DependencyPropertyChangedEventArgs e)
         {
             if (d is MultiSelectionComboBox multiSelectionComboBox)
             {
                 multiSelectionComboBox.UpdateEditableText();
             }
         }
 
-        private static void OnTextChanged(DependencyObject d, DependencyPropertyChangedEventArgs _)
+        private static void OnTextChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
         {
             if (d is MultiSelectionComboBox multiSelectionComboBox)
             {
@@ -1109,7 +1112,7 @@ private static void OnTextChanged(DependencyObject d, DependencyPropertyChangedE
             }
         }
 
-        private static void OnOrderSelectedItemsByChanged(DependencyObject d, DependencyPropertyChangedEventArgs _)
+        private static void OnOrderSelectedItemsByChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
         {
             if (d is MultiSelectionComboBox multiSelectionComboBox && !multiSelectionComboBox.HasCustomText)
             {