translations, minor refactoring, wgui: gradient intensity in globals, dash-frontend: remove unused window_list, process_list and window_options

dash-frontend/assets/gui/view/process_list.xml

@@ -1,9 +0,0 @@
-<layout>
-  <include src="../t_group_box.xml" />
-
-  <elements>
-    <rectangle macro="group_box" flex_direction="row" align_items="center">
-      <div id="list_parent" gap="8" flex_direction="column" flex_wrap="wrap" flex_grow="1" />
-    </rectangle>
-  </elements>
-</layout>