Let the slider controls take their colours from the slider in 1.11.3

Dots, arrows, counter and button background are style properties of the
slider ("Slider-Steuerung"), written as custom properties onto the slider and
onto the control bar the script places after it, so the script-free markers
and the scripted controls share the same colours.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

public/assets/editor-model.js

@@ -567,6 +567,7 @@ export function copyStyle(document, fromId, toId) {
 export function relevantProperty(block, key, property) {
   if (Object.values(block.style ?? {}).some(values => values[key] !== undefined || values.hover?.[key] !== undefined || values.scrolled?.[key] !== undefined)) return true;
   const container = isContainer(block);
+  if (property.group === 'slider') return block.type === 'slider';
   if (property.group === 'image') return ['image', 'gallery', 'logos', 'postlist'].includes(block.type);
   if (property.group === 'text' || key === 'textShadow') return !['image', 'gallery', 'logos', 'spacer', 'divider', 'embed'].includes(block.type);
   if (['flexDirection', 'flexWrap', 'justifyContent', 'alignItems', 'gridColumns', 'gap', 'rowGap', 'columnGap'].includes(key)) return container || ['button', 'menu', 'form', 'postlist', 'contact'].includes(block.type);