Merge pull request #34311 from nextcloud/fix/settings-bg

Remove unwanted settings button background

Author: szaimen

core/css/apps.css

@@ -821,7 +821,7 @@ $min-content-width: variables.$breakpoint-mobile - variables.$navigation-width -
 		width: 100%;
 		padding: 0;
 		margin: 0;
-		background-color: var(--color-main-background);
+		background-color: transparent;
 		box-shadow: none;
 		border: 0;
 		border-radius: calc(var(--default-clickable-area) / 2);