App Polish (#1098)

* App polish

- Skeleton avatar colour on app switching.
- Bug report icon and string.
- Semi-bold font on room list timestamps.
- Room attachments button spacing and alignment.
- Replace link tint with semi-bold font in AnalyticsSettingsScreen.
- Semi-bold font on Invites button.
- Add padding to media attachment sheet.
- Message composer header layout tweaks.
- Remove indicator after changing homeserver with an MXID.
- Change copy permalink string.
- Formatting of link in Analytics Prompt.
- Remove indicator after changing homeserver with an MXID.
- Change copy permalink string.
- Formatting of link in Analytics Prompt.
- Only semi-bold the room timestamp when unread.
- Tweak the colour of the date separator.
- Add activity indicator to toast style user indicator.

ElementX/Sources/Screens/HomeScreen/HomeScreenViewModel.swift

@@ -288,10 +288,9 @@ class HomeScreenViewModel: HomeScreenViewModelType, HomeScreenViewModelProtocol
                 state.bindings.alertInfo = AlertInfo(id: UUID(), title: L10n.errorUnknown)
             case .some(.success):
                 ServiceLocator.shared.userIndicatorController.submitIndicator(UserIndicator(id: UUID().uuidString,
-                                                                                            type: .modal,
+                                                                                            type: .modal(progress: .none, interactiveDismissDisabled: false),
                                                                                             title: L10n.commonCurrentUserLeftRoom,
-                                                                                            iconName: "checkmark",
-                                                                                            loaderType: .none))
+                                                                                            iconName: "checkmark"))
                 callback?(.roomLeft(roomIdentifier: roomId))
             }
         }