ScrollAnywhere 4+

This is a cumulative release of these 3 versions:
Version 9.2:
- fixed Options page being displayed too soon, before data migration
- fixed broken scrolling with left button
- fixing runtime errors in the console

Version 9.0:
- fixed broken dynamic styles (scrollbars)
- fixed save button icons in Options page
- fixed errors on XML pages

Version 8.8 - some new features and A LOT of fixes:
- added option to set 3 distinct scrolling cursors based on the scrolling - vertical / horizontal / both
- added Fixed axis X/Y lock
- disabled closing popup after click
- new font for testing page
- releasing a scrolling modifier key will now correctly stop scrolling
- default Axis lock is now strict, not smart
- fixed scrolling collision on pages that implements custom scrolling (by blocking "mosedown" event)
- Momentum upgrade - you can now stop momentum with any mouse button without worrying you click something on the page
- Momentum with left button now supports continuous scrolling without text selection - as long as the page is moving, similar to phones
- fixed broken Momentum when using option: "Enable scrolling when key is down"
- increased max. Multiplier to 20
- upgrade to Webpack 5 and new libs
- refactoring old code and preparing for Manifest V3
- fixed the sudden jump up when try to scroll down and you are already down
- fixed broken scrolling in some nested flex elements