Rarescanner Ellesmere Skin

2.3.0
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- Added custom RareScanner - EllesmereUI logo as the addon icon.
- Added account-wide bridge configuration page opened with /rseui.
- Added model visibility and model-size controls.
- Added loot-icon-size control.
- Added vertical-spacing control.
- Added optional Rare-name font-size override with Auto (EUI) mode.
- Added show/hide control for the target instruction text.
- Added close-button-size control.
- Added Ultra-compact mode; the established layout remains the Compact default.
- Added live refresh hooks for EllesmereUI Quest Tracker fonts, styling,
  background settings and profile refreshes.
- Retained live width tracking when the EllesmereUI Quest Tracker is resized.
- Added rare-type/vignette thumbnail fallback when RareScanner has no display ID.
- Added /rseui test.
- Added /rseui reset.
- Added /rseui version.
- Added /rseui debug with version, width, screen-space and push-down diagnostics.
- Added structural compatibility validation for RareScanner, EllesmereUI and the
  Objective Tracker integration points.
- Added safe fallback/disable behaviour with one useful compatibility message.
- Added persistent SavedVariables storage for bridge settings.