Render Owner in the horizontal list when editing Admins. Closes #5634.

features/rolesandpermissions/impl/src/main/kotlin/io/element/android/features/rolesandpermissions/impl/roles/ChangeRolesStateProvider.kt

@@ -126,8 +126,6 @@ internal fun aChangeRolesStateWithOwners() = aChangeRolesState(
         }
     },
     selectedUsers = persistentListOf(
-        aMatrixUser(id = "@alice:server.org", displayName = "Alice"),
-        aMatrixUser(id = "@bob:server.org", displayName = "Bob"),
         aMatrixUser(id = "@carol:server.org", displayName = "Carol"),
     )
 )

features/rolesandpermissions/impl/src/main/kotlin/io/element/android/features/rolesandpermissions/impl/roles/ChangeRolesView.kt

@@ -30,6 +30,9 @@ import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.derivedStateOf
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
@@ -71,6 +74,7 @@ import io.element.android.libraries.matrix.ui.components.SelectedUsersRowList
 import io.element.android.libraries.matrix.ui.model.getAvatarData
 import io.element.android.libraries.ui.strings.CommonStrings
 import kotlinx.collections.immutable.ImmutableList
+import kotlinx.collections.immutable.toImmutableList
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -226,8 +230,21 @@ private fun SearchResultsList(
         state = lazyListState,
     ) {
         item {
+            if (currentRole == RoomMember.Role.Admin) {
+                val ownersAndSelectedUsers by remember {
+                    derivedStateOf {
+                        // Also include the owners in the horizontal list
+                        val owners = searchResults.owners.map {
+                            it.toMatrixUser()
+                        }
+                        (owners + selectedUsers).toImmutableList()
+                    }
+                }
+                selectedUsersList(ownersAndSelectedUsers)
+            } else {
                 selectedUsersList(selectedUsers)
             }
+        }
         if (searchResults.owners.isNotEmpty()) {
             stickyHeader { ListSectionHeader(text = stringResource(R.string.screen_room_roles_and_permissions_owners)) }
             item {