Report room and decline & block screens tweaks (#4044)

* report rom and decline and block screens tweaks

- Use the copies: "Leave room" and "Report room" everywhere, also in DMs
- Report reason in report room is now mandatory.
- Report reason in decline and block is now mandatory if the report action is set to on.
- Generic alert for failure of main API in both report room and decline and block has been added

* report room and decline and block screen previews

ElementX/Sources/Screens/HomeScreen/View/HomeScreenRoomList.swift

@@ -73,7 +73,7 @@ struct HomeScreenRoomList: View {
                             Button(role: .destructive) {
                                 context.send(viewAction: .reportRoom(roomIdentifier: room.id))
                             } label: {
-                                Label(room.isDirect ? L10n.actionReportDm : L10n.actionReportRoom, icon: \.chatProblem)
+                                Label(L10n.actionReportRoom, icon: \.chatProblem)
                             }
                         }