Migrate GLFW constants to InputConstants

[MukjepScarlet]

TODO

• cursor selection check
• Tab/W mouse (grabOrReleaseMouse)
• PostProcessShader uniform PostData (time)
• Keybind and KeybindSetting rewrite & test

Description

Related issues

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How Has This Been Tested?

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Checklist:

• My code follows the style guidelines of this project.
• I have added comments to my code in more complex areas.
• I have tested the code in both development and production environments.

[MukjepScarlet]

Keybind draft:

public record Keybind(
  InputConstants.Key key,
  @Unmodifiable Set<Modifier> modifiers
) implements ISerializable<Keybind> {

  public enum Modifier {
    SHIFT, CONTROL, SUPER, ...
  }

}