Accordion motion: open/close

[pixel-perfectionist]

Copy implementation from older PR:

• Collapse: https://github.com/microsoft/fluentui/pull/30736/files#diff-d1fcff63dcfbf02ccf9d0d7ec4c0342ebbbba1d17e71555017ac28037dbb5e7e
• Chevron rotation