Ui ifxes (#5890)

* PLT-5975 - Back arrow in flag list cutting off

* PLT-6049 - Fixing pin icon color, and hover state

* PLT-5989 - Channel member and pin icon issue

* PLT-6067 - Pinned icon misaligned in firefox

* PLT-5885 - Adjusting icon spacing in modal

webapp/sass/components/_webrtc.scss

@@ -348,6 +348,7 @@
     }
 
     .search__form {
-        width: calc(100% - 92px);
+        margin-left: 5px;
+        width: calc(100% - 80px);
     }
 }