fix(window-state): port fixes from v1 (#436)

* fix(window-state): correctly set decoration state if no saved state exists, fixes #421 (#424)

* fix(window-state): propagate promise (#435)

closes #432

* fix(window-state): manual default implentation (#425)

* fix(window-state): manual default implentation, closes #421

* Update lib.rs

* change file

* generated files

* fix symlinks?

---------

Co-authored-by: Fabian-Lars <fabianlars@fabianlars.de>

.changes/window-state-decorated.md

@@ -0,0 +1,5 @@
+---
+"window-state": "patch"
+---
+
+Correctly set decoration state if no saved state xists

.changes/window-state-promise.md

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+---
+"window-state-js": "patch"
+---
+
+Correctly propagate the promise inside `saveWindowState`, `restoreState` and `restoreStateCurrent` so callers can choose to `await` them.