App polish part 3 (#1135)

- Add an animation to long press on messages.
- Make emojis bigger on the reactions picker screen.
- Remove quote menu action.
- Fix emoji picker handle overlapping focused search field.
- Update launch, splash and onboarding screens.
- Use elevation tokens in Forms.
- Move the cancel button on the Start Chat flow.

ElementX/Sources/Screens/RoomScreen/View/TimelineItemMenu.swift

@@ -33,7 +33,6 @@ struct TimelineItemMenuActions {
 enum TimelineItemMenuAction: Identifiable, Hashable {
     case copy
     case edit
-    case quote
     case copyPermalink
     case redact
     case reply
@@ -182,10 +181,6 @@ public struct TimelineItemMenu: View {
                 Button { send(action) } label: {
                     MenuLabel(title: L10n.actionEdit, systemImageName: "pencil.line")
                 }
-            case .quote:
-                Button { send(action) } label: {
-                    MenuLabel(title: L10n.actionQuote, systemImageName: "quote.bubble")
-                }
             case .copyPermalink:
                 Button { send(action) } label: {
                     MenuLabel(title: L10n.actionCopyLinkToMessage, systemImageName: "link")