Leave the presets out of Visual in the phone's More sheet

The More sheet already shows the dock's Visual Presets tray right above
Visual, so the panel's own copy is hidden on the phone shell.

Co-authored-by: Manjunath Paparaju <[email protected]>

docs/CURRENT-STATE.md

@@ -658,7 +658,8 @@ is a card (`src/ui/styles/visual-panel.css`) whose header row ends in an
 on/off pill worded in the current language. The presets and chips call the
 same Display store actions as the dock's Visual Presets tray, which stays on
 desktop and phone as before, along with Location; voice `Visual Presets`
-still opens that tray. In Cockpit the groups Cockpit's Display popover takes
+still opens that tray. On a phone the More sheet shows that tray right above
+Visual, so Visual leaves out its own presets and chips there. In Cockpit the groups Cockpit's Display popover takes
 leave the panel as before and keep their own styling there.
 
 Scope has an Opacity slider (`#scope-opacity-slider`, 0–100%, default 100%)

src/ui/styles/visual-panel.css

@@ -123,6 +123,12 @@
   cursor: default;
 }
 
+/* The phone's More sheet shows the dock's Visual Presets tray right above
+   Visual, so the panel leaves out its own copy there. */
+body.mobile-shell #pp-toggles .visual-presets {
+  display: none;
+}
+
 /* The body is display: contents, so its children are the panel's own flex
    items: keep them full width and unshrunk. */
 #pp-toggles .pp-panel-body > * {