* theme override fix

* add lerp condition and tests

* remove unwanted changes

* resolve app_bar token version

* update test names

* migrates lib/foundation and lib/widgets

* migrates lib/painting and lib/material

* migrates lib/cupertino, lib/gestures, lib/services, lib/semantics and lib/rendering

* fixes failing tests

* migrates test/

* improves hashing of lists

This reverts commit d056500b.

This reverts commit 31de052e.

This reverts commit e2490f29.