fix: fix enhance app mode check

[fatelei]

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Summary

fix #30757

enhance app mode check in app list page

Screenshots

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Checklist

• This change requires a documentation update, included: Dify Document
• I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
• I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• I've updated the documentation accordingly.
• I ran make lint and make type-check (backend) and cd web && npx lint-staged (frontend) to appease the lint gods

[gemini-code-assist]

Summary of Changes

Hello @fatelei, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the application's handling of app mode parameters, addressing potential inconsistencies and errors that could arise from invalid or legacy URL query strings. By implementing both client-side normalization and server-side validation, the changes ensure a more robust and predictable user experience when navigating app lists, preventing unexpected behavior due to malformed mode specifications.

Highlights

• Client-side App Mode Validation: Implemented client-side logic in the app list page to validate and normalize app mode query parameters. This ensures that legacy or invalid mode parameters are correctly converted to category or defaulted to 'all', improving URL handling robustness.
• Server-side App Mode Sanitization: Introduced server-side validation within the use-apps.ts service to sanitize app mode parameters before API requests. This prevents invalid modes from being processed by the backend, enhancing data integrity and preventing unexpected behavior.
• Import Refactoring: Refactored the import statement for AppModeEnum in use-apps.ts for better code organization and consistency.

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[gemini-code-assist]

Code Review

This pull request enhances the app mode checking on the app list page. It introduces logic to handle legacy mode query parameters by migrating them to a category parameter and ensures that only valid categories are used for filtering. The changes also include backend validation for the app mode. The code is generally well-structured, but there are a few areas for improvement regarding React hook dependencies and code consistency.