Improve mute/unmute process

customize.dist/src/less2/include/messenger.less

@@ -78,6 +78,9 @@
                 .cp-app-contacts-name {
                     white-space: nowrap;
                 }
+                .cp-app-contacts-icons {
+                    text-align: right;
+                }
             }
             &:hover {
                 background-color: rgba(0,0,0,0.3);

customize.dist/src/less2/include/sidebar-layout.less

@@ -126,6 +126,9 @@
                 background-color: @button-bg;
                 border-color: darken(@button-bg, 10%);
                 color: white;
+                .fa {
+                    margin-right: 0.2em;
+                }
                 &:hover {
                     background-color: darken(@button-bg, 10%);
                 }