Put controls above the text editor menubar

Otherwise this will creates a minor visual glitch when nextcloud/text#1821
will get merged.

Signed-off-by: Carl Schwan <[email protected]>

Author: CarlSchwan

core/css/styles.scss

@@ -184,7 +184,7 @@ body {
 	padding: 0;
 	margin: 0;
 	background-color: var(--color-main-background-translucent);
-	z-index: 61; /* must be above the filelist sticky header */
+	z-index: 62; /* must be above the filelist sticky header and texteditor menubar */
 	-webkit-user-select: none;
 	-moz-user-select: none;
 	-ms-user-select: none;