fix: null character error in slave>manage>inspect

[CKRainbow]

Please only submit Pull Requests to the dev branch!

Things to include in a large Pull Request:

• What is the purpose of the pull request?

  • bug fixing

• Give a brief description of what you changed or added.

  • reset CharactersPresentDialogue when use 'Inspect' in 'Manage' tab
  • I'm not sure it's the best way to fix it

• Are any new graphical assets required?

  • no

• Has this change been tested? If so, mention the version number that the test was based on.

  • 0.4.9.0

• So we have a better idea of who you are, what is your Discord Handle?

  • CK Rainbow

• If you want quick feedback, you can use @Innoxia, or jump on the Lilith's Throne discord and send Innoxia a PM.