fix: lu change don't reflect on form editor

[zhixzhan]

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context.

If this is a bug fix, please describe the root cause and analysis of this problem.

Task Item

Fix #1702

Type of change

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Code refactor (non-breaking change which improve code quality, clean up, add tests, etc)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Doc update (document update)

Checklist

• I have added tests that prove my fix is effective or that my feature works
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have functionally tested my change

Screenshots

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[boydc2014]

Approved, and let's wait until @cwhitten to take a look.

[a-b-r-o-w-n]

The root cause here is that the design page is always rendered, so we are not getting the usual react lifecycles. Is there a technical reason that we have to leave the design page rendered on all routes and use css to show/hide it?

[zhixzhan]

The root cause here is that the design page is always rendered, so we are not getting the usual react lifecycles. Is there a technical reason that we have to leave the design page rendered on all routes and use css to show/hide it?

I believe it is imported from a page performance optimization, committed by @lei9444 , trying to decrease design page second open time , it cost about 2 ~ 3 seconds at first time render visual&form editor @a-b-r-o-w-n