fix(feedback): improve design of feedback flow, correct several logic issues

www/img/icon-language.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(-277.000000, -769.000000)" stroke="#8F8F90">
+        <g id="Icons" transform="translate(-277.000000, -769.000000)" stroke="#9b9bab">
             <g id="icons/list-items/sync" transform="translate(278.000000, 770.000000)">
                 <g id="Group" transform="translate(0.347826, 0.378151)">
                     <path d="M14.889225,12.3491049 C16.1172023,11.0140665 16.8846881,9.34526854 16.8846881,7.50959079 C16.8846881,3.33759591 13.1240076,0 8.44234405,0 C3.76068053,0 0,3.33759591 0,7.50959079 C0,11.6815857 3.76068053,15.0191816 8.44234405,15.0191816 C9.28657845,15.0191816 10.0540643,14.9357417 10.8215501,14.685422 L15.3497164,16.6879795 L14.889225,12.3491049 L14.889225,12.3491049 Z" id="Shape"></path>
@@ -13,4 +13,4 @@
             </g>
         </g>
     </g>
-</svg>
+</svg>

www/img/icon-notifications.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(-542.000000, -768.000000)" stroke="#8F8F90">
+        <g id="Icons" transform="translate(-542.000000, -768.000000)" stroke="#9b9bab">
             <g id="icons/list-items/sync" transform="translate(543.000000, 769.000000)">
                 <g id="Group" transform="translate(0.392391, 0.413043)">
                     <path d="M6.28767826,13.3123913 C6.33555,14.6357826 7.36361522,15.6956522 8.6326087,15.6956522 C9.90160217,15.6956522 10.927313,14.6357826 10.9759696,13.3123913" id="Shape"></path>
@@ -15,4 +15,4 @@
             </g>
         </g>
     </g>
-</svg>
+</svg>

www/img/icon-send-feedback.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(-666.000000, -770.000000)" stroke="#8F8F90">
+        <g id="Icons" transform="translate(-666.000000, -770.000000)" stroke="#9b9bab">
             <g id="icons/list-items/sync" transform="translate(666.769231, 770.000000)">
                 <g id="Group" transform="translate(0.368286, 0.383523)">
                     <g id="holidays-24px-outline_message" transform="translate(0.298380, 0.949811)">
@@ -20,4 +20,4 @@
             </g>
         </g>
     </g>
-</svg>
+</svg>