UI changes (#6876)

* PLT-7011 - Long channel name truncation

* PLT-7013 - Fixing channel header mobile

* PLT-7012 - Updating quick switch modal on mobile

* PLT-7008 - Channel preferences mobile fix

* PLT-7014 - Increasing tap area for channel desc

webapp/sass/responsive/_mobile.scss

@@ -781,10 +781,7 @@
 
                     .settings-content {
                         .section-edit {
-                            padding-right: 0;
-                            position: absolute;
-                            right: 15px;
-                            top: 14px;
+                            text-align: left;
 
                             .fa {
                                 display: inline-block;