[Feature Request] Dropdown list for changing review stage

[Lee-W]

Is your feature request related to a problem?

Currently, we need to manually change the value in Django Registry > Entries. based on Proposal Review System Documentation

Describe the solution you'd like

Let users choose the stages instead of setting values. We can make it a drop-down list.

Describe alternatives you've considered

None

Additional context

Invite the community to discuss and vote

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[yychen]

I think this is a duplicate issue to #727 and the corresponding PR #782

[mattwang44]

duplicated issue