DeModal - Compatibility Fix

v0.8.7 - Classic Era Compatibility Fix
- Fixed nil reference errors for CloseButton elements in Classic Era
- Added safety checks for GossipFrameCloseButton, QuestFrameCloseButton, MerchantFrameCloseButton, and ClassTrainerFrameCloseButton
- Improved frame existence validation before attempting to interact with UI elements
- Enhanced stability when frames are not yet loaded or unavailable in Classic Era

v0.8.6 - Additional Compatibility Fixes
- Fixed UpdateScaleForFit compatibility issues with newer WoW versions
- Added fallback scaling mechanism for frames when scale functions are unavailable
- Improved error handling for missing UI scale functions

v0.8.5 - Settings API Compatibility Update
- Fixed Settings API compatibility issues with InterfaceOptions_AddCategory
- Restored /demodal settings command with cross-version compatibility
- Added support for both legacy and modern settings frameworks
- Improved settings window opening across all WoW client versions
- Enhanced cross-version addon stability for Classic and Mainline clients
- Fixed checkbox templates and UI elements for newer WoW versions