Extend the error overlay to cover the entire chat input height

Author: robertpiosik

packages/ui/src/components/editor/ChatInput/ChatInput.module.scss

@@ -85,7 +85,7 @@
   position: absolute;
   z-index: 1;
   width: 100%;
-  height: calc(100% - 26px); // - footer height
+  height: 100%;
   top: 0;
   left: 0;
   display: flex;