Fix lint

Author: yostyle

vector/src/main/java/im/vector/app/features/createdirect/CreateDirectRoomActivity.kt

@@ -163,7 +163,7 @@ class CreateDirectRoomActivity : SimpleFragmentActivity() {
     private fun handleOnMenuItemSubmitClick(action: UserListSharedAction.OnMenuItemSubmitClick) {
         val unknownUsers = action.selections
                 .filter { it is PendingSelection.UserPendingSelection && it.isUnknownUser }
-                .joinToString("\n • ", " • " ) { it.getMxId() }
+                .joinToString("\n • ", " • ") { it.getMxId() }
         if (unknownUsers.isBlank()) {
             viewModel.handle(CreateDirectRoomAction.PrepareRoomWithSelectedUsers(action.selections))
         } else {

vector/src/main/java/im/vector/app/features/invite/InviteUsersToRoomActivity.kt

@@ -37,7 +37,6 @@ import im.vector.app.core.utils.onPermissionDeniedSnackbar
 import im.vector.app.core.utils.registerForPermissionsResult
 import im.vector.app.core.utils.toast
 import im.vector.app.features.contactsbook.ContactsBookFragment
-import im.vector.app.features.createdirect.CreateDirectRoomAction
 import im.vector.app.features.userdirectory.PendingSelection
 import im.vector.app.features.userdirectory.UserListFragment
 import im.vector.app.features.userdirectory.UserListFragmentArgs
@@ -98,7 +97,7 @@ class InviteUsersToRoomActivity : SimpleFragmentActivity() {
     private fun handleOnMenuItemSubmitClick(action: UserListSharedAction.OnMenuItemSubmitClick) {
         val unknownUsers = action.selections
                 .filter { it is PendingSelection.UserPendingSelection && it.isUnknownUser }
-                .joinToString("\n • ", " • " ) { it.getMxId() }
+                .joinToString("\n • ", " • ") { it.getMxId() }
         if (unknownUsers.isBlank()) {
             viewModel.handle(InviteUsersToRoomAction.InviteSelectedUsers(action.selections))
         } else {
@@ -111,7 +110,6 @@ class InviteUsersToRoomActivity : SimpleFragmentActivity() {
                     .setNegativeButton(R.string.action_cancel, null)
                     .show()
         }
-        viewModel.handle(InviteUsersToRoomAction.InviteSelectedUsers(action.selections))
     }
 
     private fun openPhoneBook() {

vector/src/main/java/im/vector/app/features/userdirectory/UserListViewModel.kt

@@ -260,8 +260,7 @@ class UserListViewModel @AssistedInject constructor(
                         .sortedBy { it.toMatrixItem().firstLetterOfDisplayName() }
                 val userProfile = if (MatrixPatterns.isUserId(search)) {
                     val user = tryOrNull { session.profileService().getProfileAsUser(search) }
-                    val unknownUserId = if (user == null) { search } else { null }
-                    setState { copy(unknownUserId = unknownUserId) }
+                    setState { copy(unknownUserId = search.takeIf { user == null }) }
                     User(
                             userId = search,
                             displayName = user?.displayName,