feat(settings): unify settings icon colors and height of settings items

www/img/icon-advanced.svg

@@ -5,7 +5,7 @@
     <desc>Created with sketchtool.</desc>
     <defs></defs>
     <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
-        <g id="Icons" transform="translate(-802.000000, -769.000000)" stroke="#8F8F90">
+        <g id="Icons" transform="translate(-802.000000, -769.000000)" stroke="#9b9bab">
             <g id="media-24px-outline-1_flash-21" transform="translate(802.723270, 769.877358)">
                 <g id="Group">
                     <polygon id="Shape" points="10 0 0 11 9 11 8 18 18 7 9 7"></polygon>
@@ -13,4 +13,4 @@
             </g>
         </g>
     </g>
-</svg>
+</svg>