For #23263 - Replace @color/tab_tray_item_media_background_normal_theme with @color/accent_normal_theme

app/src/main/res/values-night/colors.xml

@@ -135,7 +135,6 @@
     <color name="tab_tray_item_background_normal_theme">@color/photonDarkGrey80</color>
     <color name="tab_tray_item_selected_background_normal_theme">@color/tab_tray_item_selected_background_dark_theme</color>
     <color name="tab_tray_item_divider_normal_theme">@color/photonDarkGrey10</color>
-    <color name="tab_tray_item_media_background_normal_theme">@color/photonViolet50</color>
     <color name="tab_tray_heading_icon_inactive_normal_theme">@color/photonLightGrey05</color>
     <color name="tab_tray_heading_icon_menu_normal_theme">@color/photonLightGrey05</color>
     <color name="tab_tray_item_thumbnail_background_normal_theme">@color/photonDarkGrey50</color>

app/src/main/res/values/colors.xml

@@ -202,7 +202,6 @@
     <color name="tab_tray_item_background_normal_theme">@color/photonLightGrey10</color>
     <color name="tab_tray_item_selected_background_normal_theme">#E5DFF4</color>
     <color name="tab_tray_item_divider_normal_theme">@color/photonLightGrey30</color>
-    <color name="tab_tray_item_media_background_normal_theme">@color/photonInk20</color>
     <color name="tab_tray_heading_icon_inactive_normal_theme">@color/photonInk20A48</color>
     <color name="tab_tray_heading_icon_menu_normal_theme">@color/accent_normal_theme</color>
     <color name="tab_tray_item_thumbnail_background_normal_theme">@color/photonLightGrey10</color>

app/src/main/res/values/styles.xml

@@ -91,7 +91,7 @@
         <item name="mozac_widget_favicon_background_color">@color/mozac_widget_favicon_background_normal_theme</item>
         <item name="mozac_widget_favicon_border_color">@color/mozac_widget_favicon_border_normal_theme</item>
 
-        <item name="tabTrayItemMediaBackground">@color/tab_tray_item_media_background_normal_theme</item>
+        <item name="tabTrayItemMediaBackground">@color/accent_normal_theme</item>
         <item name="tabTrayThumbnailItemBackground">@color/tab_tray_item_thumbnail_background_normal_theme</item>
         <item name="tabTrayThumbnailIcon">@color/tab_tray_item_thumbnail_icon_normal_theme</item>