set vertical alignment for self.appsButton

Author: vikdevelop

src/main_window.py

@@ -997,6 +997,7 @@ def open_itemsDialog(self, w):
             self.switch_06.connect('notify::active', self.show_appsbtn)
 
             self.appsButton.add_css_class("flat")
+            self.appsButton.set_valign(Gtk.Align.CENTER)
             self.appsButton.connect("clicked", self.manage_data_list)
 
         self.itemsDialog.add_response('cancel', _["cancel"])