feat(web): add message edit flow in context menu and composer

web/src/api/chats.ts

@@ -258,6 +258,11 @@ export async function deleteMessage(messageId: number, forAll = false): Promise<
   await http.delete(`/messages/${messageId}`, { params: { for_all: forAll } });
 }
 
+export async function editMessage(messageId: number, text: string): Promise<Message> {
+  const { data } = await http.put<Message>(`/messages/${messageId}`, { text });
+  return data;
+}
+
 export async function discoverChats(query?: string): Promise<DiscoverChat[]> {
   const { data } = await http.get<DiscoverChat[]>("/chats/discover", {
     params: query?.trim() ? { query: query.trim() } : undefined