clicking chat quotes now just expands thems

jumping to them is kind of annoying

Changelog-Changed: Clicking a chatroom quote reply will now expand it instead of jumping to it
Signed-off-by: William Casarin <jb55@jb55.com>

damus/Views/ChatView.swift

@@ -14,6 +14,7 @@ struct ChatView: View {
     
     let damus_state: DamusState
     
+    @State var expand_reply: Bool = false
     @EnvironmentObject var thread: ThreadModel
     
     var just_started: Bool {
@@ -96,8 +97,11 @@ struct ChatView: View {
                     if let ref_id = thread.replies.lookup(event.id) {
                         if !is_reply_to_prev() {
                             ReplyQuoteView(privkey: damus_state.keypair.privkey, quoter: event, event_id: ref_id, image_cache: damus_state.image_cache, profiles: damus_state.profiles)
-                                .frame(maxHeight: 100)
+                                .frame(maxHeight: expand_reply ? nil : 100)
                                 .environmentObject(thread)
+                                .onTapGesture {
+                                    expand_reply = !expand_reply
+                                }
                             ReplyDescription
                         }
                     }

damus/Views/EventDetailView.swift

@@ -66,8 +66,9 @@ struct EventDetailView: View {
                     .onTapGesture {
                         //self.uncollapse_section(scroller: proxy, c: c)
                         //self.toggle_collapse_thread(scroller: proxy, id: nil)
-                        let ev = thread.events[c.start]
+                        if let ev = thread.events[safe: c.start] {
                             thread.set_active_event(ev, privkey: damus.keypair.privkey)
+                        }
                         toggle_thread_view()
                     }
             case .event(let ev, let highlight):
@@ -333,3 +334,12 @@ func scroll_to_event(scroller: ScrollViewProxy, id: String, delay: Double, anima
         }
     }
      */
+
+
+extension Collection {
+
+    /// Returns the element at the specified index if it is within bounds, otherwise nil.
+    subscript (safe index: Index) -> Element? {
+        return indices.contains(index) ? self[index] : nil
+    }
+}

damus/Views/ReplyQuoteView.swift

@@ -50,9 +50,6 @@ struct ReplyQuoteView: View {
                 .padding(4)
                 .frame(maxWidth: .infinity, alignment: .leading)
                 .contentShape(Rectangle())
-                .onTapGesture {
-                    NotificationCenter.default.post(name: .select_quote, object: event)
-                }
             } else {
                 ProgressView()
                     .progressViewStyle(.circular)