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 {

webapp/sass/responsive/_mobile.scss

@@ -1624,10 +1624,6 @@
                     height: auto;
                 }
             }
-
-            .post__header {
-                padding-right: 50px;
-            }
         }
     }
 

webapp/sass/responsive/_tablet.scss

@@ -1,30 +1,6 @@
 @charset 'UTF-8';
 
 @media screen and (max-width: 960px) {
-    .inner-wrap {
-        &.move--left {
-            .channel-header {
-                .heading {
-                    max-width: calc(100vw - 620px);
-
-                    .multi-teams & {
-                        max-width: calc(100vw - 670px);
-                    }
-                }
-            }
-
-            .channel-header__info {
-                .channel-header__description {
-                    max-width: calc(100vw - 620px);
-
-                    .multi-teams & {
-                        max-width: calc(100vw - 670px);
-                    }
-                }
-            }
-        }
-    }
-
     .textarea-wrapper {
         .textbox-preview-link,
         .textbox-help-link {
@@ -32,26 +8,6 @@
         }
     }
 
-    .channel-header__info {
-        .channel-header__description {
-            max-width: calc(100vw - 680px);
-
-            .multi-teams & {
-                max-width: calc(100vw - 730px);
-            }
-        }
-    }
-
-    .channel-header {
-        .heading {
-            max-width: calc(100vw - 720px);
-
-            .multi-teams & {
-                max-width: calc(100vw - 770px);
-            }
-        }
-    }
-
     .post-right__scroll {
         .post-create__container {
             .post-create-body {