REFACTOR: Update navbar position in project component hierarchy;

UPDATE: Add navbar 'no-searchbar' variant;

+ last commit - MINOR: Handle of new ChatContext

frontend/src/pages/CategoryPage.tsx

@@ -96,16 +96,7 @@ const CategoryPage: React.FC = () => {
   if (hasMoreData && !streams.length) return <LoadingScreen />;
 
   return (
-    <DynamicPageContent className="min-h-screen bg-gradient-radial from-[#ff00f1] via-[#0400ff] to-[#ff0000] bg-[url(/images/background-pattern.svg)]"style={{ scrollbarWidth: "none", msOverflowStyle: "none" }}
-    >
-            {/* Hide Scrollbar for WebKit-based Browsers */}
-            <style>
-        {`
-          ::-webkit-scrollbar {
-            display: none;
-          }
-        `}
-      </style>
+    <DynamicPageContent className="min-h-screen bg-gradient-radial from-[#ff00f1] via-[#0400ff] to-[#ff0000]">
       <div className="pt-8">
         <ListRow
           type="stream"