Upgraded to MudBlazor 9 (#1137)

app/MindWork AI Studio/Dialogs/WorkspaceSelectionDialog.razor

@@ -22,7 +22,7 @@
                                   @ref="@this.newWorkspaceNameField"
                                   @bind-Text="@this.newWorkspaceName"
                                   Variant="Variant.Outlined"
-                                  AutoGrow="@false"
+                                  Sizing="InputSizing.Fixed"
                                   Lines="1"
                                   Label="@T("Workspace name")"
                                   AutoFocus="@true"
@@ -40,7 +40,7 @@
             }
 
             <MudStack Row="@true" Justify="Justify.FlexEnd" AlignItems="AlignItems.Center" Wrap="Wrap.NoWrap" Spacing="2">
-                <MudButton OnClick="@this.Cancel" Variant="Variant.Filled">
+                <MudButton OnClick="@this.CancelAsync" Variant="Variant.Filled">
                     @T("Cancel")
                 </MudButton>
                 @if (this.showCreateWorkspaceForm)