Fix block interactions with Better Placement tweak

[jchung01]

Should fix #473 by accounting for interactable blocks, although the way it determines if it's interactable may not be perfect. Replaces the mod-specific isDrawer() check for a universal isInteractableAt().

[what-the-diff]

PR Summary

• Addition of new configuration in mixins.tweaks.blocks.betterplacement.json
  A new setting enabling the ability for better block placement is added and is togglable through this configuration.

• Introduction of IInteractable.java interface
  A new interface has been introduced which provides a standard format on how interactable components should behave.

• Creation of UTInteractableBlockMixin.java
  This is the implementation of the newly introduced IInteractable interface for blocks that can be interacted with in the application.

• Inclusion of mixins.tweaks.blocks.betterplacement.mixin.UTInteractableBlockMixin in client configuration
  The new mixin, responsible for implementing the better block placement feature, is now included in the client configuration, which means it will be active for client-side operations.