Add resize handle to chat (#3157)

* add resize handle to chat

* Add chat resize functionality

* window resize only causes chat resize on desktop

* fix parseFloat invocation

* desktop is optional attribute of ChatContainer

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Co-authored-by: janWilejan <>

web/components/ui/Content/Content.module.scss

@@ -5,11 +5,6 @@
   flex-direction: row;
   overflow: hidden;
   height: 100%;
-
-  // I'm not quite sure why, but sass ignores `#chat-container` here
-  [id="chat-container"] {
-    width: var(--chat-col-width);
-  }
 }
 
 .mainColumn {