Replace usage of controls label with our custom label

This prevents copy pasting a bunch of parameters that we set by default

resources/qml/ApplicationSwitcher/ApplicationButton.qml

@@ -4,7 +4,7 @@
 import QtQuick 2.10
 import QtQuick.Controls 2.3
 
-import UM 1.4 as UM
+import UM 1.5 as UM
 import Cura 1.1 as Cura
 
 Button
@@ -73,7 +73,7 @@ Button
             }
         }
 
-        Label
+        UM.Label
         {
             id: applicationDisplayName
 
@@ -82,10 +82,8 @@ Button
 
             height: base.height - applicationIcon.height - 2 * UM.Theme.getSize("default_margin").width  // Account for the top and bottom margins
             horizontalAlignment: Text.AlignHCenter
-            verticalAlignment: Text.AlignVCenter
             wrapMode: Text.Wrap
             elide: Text.ElideRight
-            color: UM.Theme.getColor("text")
         }
     }
 }