Various tweaks (#381)

* Add the message delivery status to the plain timeline styler and display it outside of the main content

* Fix glitchy timeline scroll to bottom button

* Fixed bubbled reactions padding

* Simplified the emoji picker, double tapping a timeline item directly opens it now and added a context menu option. Linked it to rust side reaction sending

* Fix the sliding sync cold cache: treat invalidated rooms as filled

* Make splash screen view full screen

* Fix the offline indicator popping up when first setting up the network monitor

* Expose presentationDetents on the NavigationStackCoordinator and start using them for the EmojiPicker

* Fix link tint color

* Linked TimelineReactionsView reaction sending

* Remove now unused/unnecessary classes

* Add changelog

* Fix formatting issue

ElementX/Sources/Screens/EmojiPickerScreen/EmojiPickerScreenViewModel.swift

@@ -39,6 +39,8 @@ class EmojiPickerScreenViewModel: EmojiPickerScreenViewModelType, EmojiPickerScr
             state.categories = convert(emojiCategories: categories)
         case let .emojiTapped(emoji: emoji):
             callback?(.emojiSelected(emoji: emoji.value))
+        case .dismiss:
+            callback?(.dismiss)
         }
     }