[Compatiblity] Rider IDE compatibility

[KyouyamaKazusa0805]

Try to update code logic in order making Rider IDE can support some features.

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To-do list:

• [ ] C# feature sync
  • [x] Basic configuration
  • [x] #746
  • [x] #747
  • [ ] #748
  • [x] #749
• [ ] Code specification
  • [ ] #750
  • [ ] #751