Ui improvements (#6198)

* PLT-6306 - Post alignment in compact view

* PLT-6266 - Adjusting spacing for files (compact)

* PLT-6302 - Margins not equal for paragraphs in post

* PLT-6332 - FIxing inline images

* PLT-6134 - Fixing border on emoji picker

* PLT-6323 - Fixing UI for system console user list

* PLT-6375 - Updating emoji picker

* PLT-6327 - Updating more channel/user list

* PLT-6241 - Adding IE detection

* PLT-6332- Fixing inline markdown images

webapp/sass/layout/_content.scss

@@ -67,13 +67,6 @@
     }
 }
 
-#post-create {
-    @include flex(0 0 auto);
-    background: $white;
-    width: 100%;
-    z-index: 3;
-}
-
 #archive-link-home {
     @include flex(0 0 auto);
     cursor: pointer;

webapp/sass/layout/_markdown.scss

@@ -19,8 +19,9 @@
 #post-list {
     .markdown-inline-img {
         -moz-force-broken-image-icon: 1;
-        height: 500px;
+        margin: 5px 0;
         max-height: 500px;
+        max-width: 500px;
     }
 }
 
@@ -67,7 +68,7 @@
     padding: 4px 10px 5px;
     position: absolute;
     right: 0;
-    top: 5;
+    top: 5px;
     z-index: 5;
 }
 

webapp/sass/layout/_post.scss

@@ -359,6 +359,11 @@
 }
 
 .post-create__container {
+    @include flex(0 0 auto);
+    background: $white;
+    width: 100%;
+    z-index: 1000;
+
     label {
         font-weight: normal;
     }

webapp/sass/routes/_admin-console.scss

@@ -18,6 +18,10 @@
         }
     }
 
+    .filtered-user-list {
+        height: calc(100vh - 120px);
+    }
+
     .Select-value-label {
         white-space: nowrap;
     }
@@ -256,7 +260,6 @@
 
     .member-list-holder {
         background: $white;
-        margin-bottom: 4em;
         overflow: visible;
         padding: 5px 0;