refactor(web): replace useContext with use() (React 19) (Issue #25193)

[guangyang1206]

• Replace useContext() with React 19's use() API
• Keep createContext() unchanged
• Use use() to read context values

Closes #25193

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Description

React 19 introduced the use() API which can read context (and other resources like promises). This PR replaces useContext() with use() where appropriate.

Changes

• Replace useContext(MyContext) with use(MyContext) in:
  • web/app/components/base/features/hooks.ts

Related Issues

Closes #25193

Type of Change

• Bug fix
• New feature
• Refactor
• Other

Testing

1. Verified the app still works correctly
2. Verified context values are read correctly with use()

Additional Notes

• use() is only for reading context (not for createContext)
• Kept createContext() unchanged
• React 19's use() can also read promises, but this PR only replaces useContext

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PR Link: main...guangyang1206:dify:fix/replace-useContext-with-use-25193