Bug 1710629 - Adjust bookmarks menu button panel padding r=mak

Modified bookmarks menu button panel padding in Windows and Linux to match the appearance of that panel in MacOS.

Differential Revision: https://phabricator.services.mozilla.com/D119643

browser/themes/osx/customizableui/panelUI.css

@@ -65,6 +65,14 @@ panelmultiview .toolbaritem-combined-buttons > spacer.before-label {
   display: none;
 }
 
+#BMB_bookmarksPopup .subviewbutton > .menu-iconic-left {
+  margin-inline-end: 3px;
+}
+
+#BMB_bookmarksPopup .subviewbutton > .menu-iconic-text {
+  padding-inline-start: 0;
+}
+
 /* Override OSX-specific toolkit styles for the bookmarks panel */
 menu.subviewbutton > .menu-right {
   margin-inline-end: -4px;

browser/themes/shared/customizableui/panelUI.inc.css

@@ -1087,6 +1087,7 @@ panelview .toolbarbutton-1,
   padding-block: 0;
 }
 
+#BMB_bookmarksPopup .subviewbutton > .menu-iconic-text,
 #PlacesToolbar menu > .menu-iconic-text,
 #PlacesToolbar menuitem > .menu-iconic-text,
 .addon-banner-item > .toolbarbutton-text,
@@ -1417,10 +1418,6 @@ menuitem.subviewbutton@menuStateActive@,
   color: inherit;
 }
 
-#BMB_bookmarksPopup .subviewbutton > .menu-iconic-left {
-  margin-inline-end: 3px;
-}
-
 /* Disabled (empty) item is always alone and never has an icon, so fix its left padding */
 #BMB_bookmarksPopup menupopup[emptyplacesresult] .bookmark-item.subviewbutton {
   padding-left: 6px;