fix - Reset Prompt results on selection

Author: Kavyapriya-1804

client/src/App.tsx

@@ -647,6 +647,7 @@ const App = () => {
                       setSelectedPrompt={(prompt) => {
                         clearError("prompts");
                         setSelectedPrompt(prompt);
+                        setPromptContent("");
                       }}
                       handleCompletion={handleCompletion}
                       completionsSupported={completionsSupported}