Rangecard - Minor refactor

[johnb432]

When merged this pull request will:

• Code cleanup.
  • Removed FUNC(onCloseDialog), as it can be inlined
• Code optimizations.
• Changes:
  • Added interaction to remove range card copy. I've always found it annoying that you could create one, but never delete it.
  • You can only copy a range card from someone else if you have a range card yourself.
  • Changed uiNamespace variable name in which the display reference is stored.
  • Changed layout of numbers within the range card slightly. You can compare it with the old one here: https://ace3.acemod.org/img/wiki/feature/ab_ingame.webp
    The top most rows (until 500m) aren't as close to the top of the table rows anymore, but from 500m to about 700m they are closer to the top. It's not perfect, but imo better than before, whilst also simplifying the code.

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[PabstMirror]

lol