Bugfixes

• Changing slider dimensions is not possible if external url is empty
• iOS Safari 15 crashes if slider has too many slides
• YouTube video mutes again after seeking/scrubbing video
• Charts Addon: Chart renders smaller on Safari because of browser specific bug
• Charts Addon: Chart values are offset from position due browser specific bug
• Panorama Addon: Poles have artifacts if image loads slow on slow

Changes

• Added internal hook for manipulating layer positions and dimensions due to external addons