QR login from device manager (#6818)

* Add link device button into the sessions overview screen

* Run Swift format

* Fix tests

* Fix a crash in tests

* Fix PR remark

RiotSwiftUI/Modules/UserSessions/UserOtherSessions/View/UserOtherSessions.swift

@@ -17,7 +17,6 @@
 import SwiftUI
 
 struct UserOtherSessions: View {
-    
     @Environment(\.theme) private var theme
     
     @ObservedObject var viewModel: UserOtherSessionsViewModel.Context
@@ -57,7 +56,6 @@ struct UserOtherSessions: View {
 // MARK: - Previews
 
 struct UserOtherSessions_Previews: PreviewProvider {
-    
     static let stateRenderer = MockUserOtherSessionsScreenState.stateRenderer
     
     static var previews: some View {