Explosives - Minor refactor

[johnb432]

When merged this pull request will:

• Code cleanup & optimisation.
• Fix and improve ownership transfer of explosives when a unit receives a detonator from another. If a unit has multiple detonators to give, it will only pass explosive ownership when the last one is passed to the receiving unit.
• Reverted invalid IED codes immediately stopping call, which was unintentionally introduced in Explosives - Improve Support for custom IED ringtones #10731.
• Eliminate race condition for getting IED cellphone code.
• Cache detonators.
• Check variable types in public functions.
• Remove ace_explosives_fnc_detonateExplosiveAll, as it's just a forEach loop.
• Remove ace_explosives_fnc_dialingPhone, as it's only used in 1 instance, is relatively short and isn't API.
• Improve documentation.
• Address ACE3 Feature Requests #3594 (comment) by adding ace_explosives_defuseStart and adding missing documentation for ace_explosives_defuse and ace_explosives_explodeOnDefuse.

• Fully test all features.
  • Test cellphones.
  • Test ownership transfer when moving detonators from one container to the next.
  • Test planting explosives.
  • Test defusing.
  • Test detonators (timer, pressure, remote).

IMPORTANT

• If the contribution affects the documentation, please include your changes in this pull request so the documentation will appear on the website.
• Development Guidelines are read, understood and applied.
• Title of this PR uses our standard template Component - Add|Fix|Improve|Change|Make|Remove {changes}.

[PabstMirror]

merged fix from #10958