RoosterJs Content Model 0.26.0

Build a standalone editor based on Content Model

• Port plugin and roosterjs-editor-dom utilities (#2388)
• Support get/setDOMAttribute (#2396)
• Code cleanup: code rename (#2375)
• Code cleanup: Remove unnecessary core API from ContentModelEditor (#2377)
• Restore getScrollContainer, getVisibleViewport, and IsMobileOrTablet (#2400)
• Code cleanup: Clean up constructor of StandaloneEditor (#2385)
• Code cleanup: Rename ContentModelEditor to EditorAdapter (#2411)
• Code cleanup: Remove legacy core API (#2414)
• Add getDomStyle to DOMHelper (#2419)

Content Model editor improvement

• Fix list style: do not auto apply list style if not allowed (#2393)
• Better handling of "padding: 0" specified to OL/UL (#2395)
• Handle dark color for general model (#2397)
• Add API formatTableWithContentModel (#2399)
• Fix keyboard delete issue on Android (#2402)
• Support Tab key on list (#2394)
• Better handling of "rem" unit (#2403)
• Convert inline CSS when create init model (#2405)
• Support Cursor around block entities (#2401)
• Outdent parent format container if necessary (#2410)
• Improve default format behavior (#2406)
• Select newly inserted row/column for table (#2412)
• Add list feature support (#2386)
• Fix undo snapshot for entity, fix #2310, and IME after entity (#2409)