Dark mode icons are inverted in right click menu, but the correct icons are available

Signed-off-by: Andreas-Kainz <kainz.a@gmail.com>
Change-Id: I3f1486c0402b776c2d5ee9b2654404a007f3cefb

Author: Andreas-Kainz

browser/css/jsdialogs.css

@@ -1500,10 +1500,6 @@ img.context-menu-icon {
 	border: 1px solid var(--color-primary);
 }
 
-[data-theme='dark'] .ui-combobox-entry img {
-	filter: invert(1);
-}
-
 /* Combobox entry with menu and thus arrow/chevron */
 .ui-combobox-entry.ui-has-menu {
 	display: grid;