Vehicle Bars 1.2.0

• Mirror main action bar bindings in vehicles, override bars, and possession bars, restoring normal bindings afterward.
• Support Blizzard action bars and ElvUI, including ElvUI's vehicle exit button.
• Add a compact ElvUI vehicle HUD with effective key labels, cooldowns, counts, and press feedback.
• Support left-click actions and hover tooltips. Keep button positions fixed during ordinary combat slot changes and close gaps after combat.
• Add ElvUI mover integration, preview mode, and profile-specific size, spacing, and visibility settings.