Ui improvements (#7092)

* PLT-7121 - Making channel header text dynamic

* PLT-7268 - Fixing search results in compact view

* PLT-7248 - Adjusting space between post controls

* PLT-7303 - Fixing manage members button

* Revert "PLT-7303 - Fixing manage members button"

This reverts commit 7dcb68a8e333a2c95444d417ed9a244c9c30aa99.

webapp/sass/responsive/_desktop.scss

@@ -86,22 +86,6 @@
                 width: 150px;
             }
         }
-
-        .heading {
-            max-width: calc(100vw - 800px);
-
-            .multi-teams & {
-                max-width: calc(100vw - 775px);
-            }
-        }
-    }
-
-    .channel-header__info {
-        .channel-header__description {
-            .multi-teams & {
-                max-width: calc(100vw - 730px);
-            }
-        }
     }
 
     .integration-option {