chore: Update ShowMessageBox to ShowMessageBoxAsync and upgrade package versions

[sfmskywalker]

Purpose

Updates packages.

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Scope

Select one primary concern:

• Bug fix (behavior change)
• Refactor (no behavior change)
• Documentation update
• Formatting / code cleanup
• Dependency / build update
• New feature

If this PR includes multiple unrelated concerns, please split it before requesting review.

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Description

Problem

Keep packages up to date.

Solution

Updated the packages.

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Verification

See if the build succeeds and smoke test the Elsa Studio app.

Expected outcome:

No noticeable changes.

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Screenshots / Recordings (if applicable)

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Commit Convention

We recommend using conventional commit prefixes:

• fix: – Bug fixes (behavior change)
• feat: – New features
• refactor: – Code changes without behavior change
• docs: – Documentation updates
• chore: – Maintenance, tooling, or dependency updates
• test: – Test additions or modifications

Clear commit messages make reviews easier and history more meaningful.

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Checklist

• The PR is focused on a single concern
• Commit messages follow the recommended convention
• Tests added or updated (if applicable)
• Documentation updated (if applicable)
• No unrelated cleanup included
• All tests pass

[greptile-apps]

Greptile Summary

Updated package dependencies to their latest versions and migrated code to be compatible with MudBlazor 9.0 breaking changes. The migration systematically replaces deprecated ShowMessageBox with ShowMessageBoxAsync across all dialog interactions (13 occurrences in 7 files) and updates ActivityPicker.razor.cs to use the new ITreeItemData<string> interface with improved null-safety.

Key changes:

• MudBlazor upgraded from 8.15.0 to 9.0.0 (major version)
• Radzen.Blazor upgraded from 8.3.5 to 9.0.5 (major version)
• Microsoft.AspNetCore packages updated to latest patch releases (8.0.24, 9.0.13, 10.0.3)
• Elsa.Api.Client updated from 3.6.0-rc2 to 3.7.0-preview.4406
• Refit packages reorganized by target framework for better version control
• All dialog confirmation flows now use async pattern consistently

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The changes are purely dependency updates and mechanical API migrations following MudBlazor 9.0 breaking changes. All modifications are consistent, well-scoped refactoring with no logical changes to application behavior. The migration from ShowMessageBox to ShowMessageBoxAsync is straightforward and maintains identical functionality.
• No files require special attention

Important Files Changed

Filename	Overview
Directory.Packages.props	Updates package versions: MudBlazor 8.15.0→9.0.0, Radzen 8.3.5→9.0.5, Microsoft packages to latest patches, reorganizes Refit packages by target framework
src/modules/Elsa.Studio.Workflows/ActivityPickers/Treeview/ActivityPicker.razor.cs	Adapts to MudBlazor 9.0 API changes: uses ITreeItemData<string>, adds null-safety operators, removes unnecessary null-conditional operators on non-nullable properties
src/modules/Elsa.Studio.Workflows/Components/WorkflowDefinitionList/WorkflowDefinitionList.razor.cs	Migrates ShowMessageBox to ShowMessageBoxAsync (5 occurrences) for MudBlazor 9.0 compatibility
src/modules/Elsa.Studio.Workflows/Components/WorkflowInstanceList/WorkflowInstanceList.razor.cs	Migrates ShowMessageBox to ShowMessageBoxAsync (3 occurrences) for MudBlazor 9.0 compatibility

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[MudBlazor 8.15.0] --> B[Upgrade to MudBlazor 9.0.0]
    B --> C{API Breaking Changes}
    C --> D[ShowMessageBox deprecated]
    C --> E[TreeItemData API changes]
    
    D --> F[Update all DialogService calls]
    F --> G[Labels.razor.cs]
    F --> H[InputsSection.razor.cs]
    F --> I[OutputsSection.razor.cs]
    F --> J[VariablesTab.razor.cs]
    F --> K[VersionHistoryTab.razor.cs]
    F --> L[WorkflowDefinitionList.razor.cs]
    F --> M[WorkflowInstanceList.razor.cs]
    
    G --> N[ShowMessageBox → ShowMessageBoxAsync]
    H --> N
    I --> N
    J --> N
    K --> N
    L --> N
    M --> N
    
    E --> O[ActivityPicker.razor.cs]
    O --> P[TreeItemData → ITreeItemData]
    O --> Q[Add null-safety operators]
    O --> R[Remove unnecessary null-conditionals]
    
    N --> S[All components updated]
    P --> S
    Q --> S
    R --> S
    
    S --> T[MudBlazor 9.0 compatible]

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_{Last reviewed commit: b21302f}