Document tristate value by @yaakovschectman in https://github.com/flutter/flutter/pull/110106

Revert “Fixed leading button size on app bar” by @QuncCccccc in https://github.com/flutter/flutter/pull/110103

Revert “Reland: Set IconButton.visualDensity default to VisualDensity.standard” by @QuncCccccc in https://github.com/flutter/flutter/pull/110119

Fix some typos by @eggfly in https://github.com/flutter/flutter/pull/110077

Fix floatingActionButtonAnimator not being updated by @TahaTesser in https://github.com/flutter/flutter/pull/110067

Add covariant to ThemeExtension.lerp by @guidezpl in https://github.com/flutter/flutter/pull/105207