Revert "Ui fixes" (#4963)

webapp/sass/responsive/_mobile.scss

@@ -1214,16 +1214,6 @@
 }
 
 @media screen and (max-width: 640px) {
-    .filtered-user-list {
-        height: calc(100vh - 80px);
-    }
-
-    .more-modal--action {
-        .filtered-user-list {
-            height: calc(100vh - 110px);
-        }
-    }
-
     .app__body {
         .modal {
             .more-modal {
@@ -1231,6 +1221,10 @@
                     max-height: calc(100vh - 62px);
                     padding-bottom: 5px;
                 }
+
+                .more-modal__list {
+                    max-height: calc(100vh - 230px);
+                }
             }
         }
 
@@ -1391,14 +1385,15 @@
 @media screen and (max-width: 550px) {
     .app__body {
         .more-modal {
-            &.more-system-members {
-                .filter-row {
-                    min-height: 80px;
-                    width: 100%;
-                }
+            .filter-row {
+                width: 100%;
             }
 
             &.more-direct-channels {
+                .filter-row {
+                    padding-bottom: 50px;
+                }
+
                 .member-show {
                     display: none;
                 }
@@ -1456,6 +1451,16 @@
 
     .app__body {
         .modal {
+            &.more-channel__modal {
+                .more-modal__list {
+                    max-height: calc(100vh - 250px);
+                }
+
+                .modal-body {
+                    padding-bottom: 35px;
+                }
+            }
+
             .settings-modal {
                 &.display--content {
                     .modal-body {