Mobile: Status bar dropdown is always an icon: no need for dedicated …

…width

Previously the commit bellow fixed a regression related to dropdown
width:

591e003
"Status bar: fix dropdown width"

However there seems to be no reason to apply this fix to the mobile
toolbar since we can safely conclude that the dropdowns always have
the same fixed size (icons)

Signed-off-by: Pedro Pinto Silva <pedro.silva@collabora.com>
Change-Id: I3733b4d736d1481a382fffb71b451b82ad77d04d

browser/css/jsdialogs.css

@@ -1730,7 +1730,7 @@ input[type='number']:hover::-webkit-outer-spin-button {
 	align-items: center;
 }
 
-#toolbar-down .has-dropdown > .ui-content.unobutton {
+#toolbar-wrapper:not(.mobile) ~ #toolbar-down .has-dropdown > .ui-content.unobutton {
 	width: max-content;
 }