Update the display to show 95% of the width on small screens, else 635px (#2089)

update the display to show 95% of the width on small screens, else 635px

frontend/src/components/WorkspaceChat/ChatContainer/PromptInput/index.jsx

@@ -112,7 +112,7 @@ export default function PromptInput({
         className="flex flex-col gap-y-1 rounded-t-lg md:w-3/4 w-full mx-auto max-w-xl items-center"
       >
         <div className="flex items-center rounded-lg md:mb-4">
-          <div className="w-[635px] bg-main-gradient shadow-2xl border border-white/50 rounded-2xl flex flex-col px-4 overflow-hidden">
+          <div className="w-[95vw] md:w-[635px] bg-main-gradient shadow-2xl border border-white/50 rounded-2xl flex flex-col px-4 overflow-hidden">
             <AttachmentManager attachments={attachments} />
             <div className="flex items-center w-full border-b-2 border-gray-500/50">
               <textarea