Rollback scrollable chatlist

src/scss/partials/_leftSidebar.scss

@@ -47,7 +47,6 @@
     border-bottom: 1px solid #dadce0;
     position: relative;
     box-shadow: 0px 1px 5px -1px rgba(0, 0, 0, .16);
-    flex: 0 0 auto;
 
     .scrollable {
       position: relative;
@@ -102,24 +101,16 @@
       }
     }
 
-    /* &:not(.hide) + .scrollable {
+    &:not(.hide) + .scrollable {
       top: 44px;
       height: calc(100% - 44px);
-    } */
+    }
   }
 
   #chats-container {
     max-height: 100%;
     overflow: hidden;
     position: relative;
-
-    display: flex;
-    flex-direction: column;
-
-    > .scrollable {
-      flex: 1 1 auto;
-      position: relative;
-    }
   }
 
   #folders-container {