Bring microsoft#31486 and microsoft#31586 into `release-3.5` (microso…

…ft#31634)

* Defer union or intersection property type normalization (microsoft#31486)

* Defer union or intersection property type normalization

* Accept moved span

* Update user baselines (microsoft#31615)

* Cache widened types (microsoft#31586)

* Cache widened types

* Fix lint

* Accept LKG

Update LKG.

Update LKG.

Update LKG and package.json version (microsoft#30816)

Update versions and LKG for 3.4.2 (microsoft#30741)

* Update versions to 3.4.2

* LKG update for 3.4.2

LKG update for 3.4.1

Merge pull request microsoft#28609 from ajafff/class-decorator-generics

resolve TypeReference in class decorator at parent of class

Update LKG.

Update LKG.

Update LKG.