fix: fix the statistic of the review counting

[linooohon]

Types of changes

Thanks for sending a pull request! Please fill in the following content to let us know better about this change. Please put an x in the box that applies

• [x] Bugfix
• [ ] New feature
• [ ] Refactoring
• [ ] Breaking change (any change that would cause existing functionality to not work as expected)
• [ ] Documentation Update
• [ ] Other (please describe)

Description

• The original counting for review is wrong is because the previous code didn't sum up the stage 1 and stage 2.

Steps to Test This Pull Request

• Make some reviews in both stage 1 and stage 2, and try to review them in different stages.

Expected behavior

• The total of 個人審查數據 should be the same as 已審查的演講提案

Related Issue

1086