Ps 1291/apply to from json pattern to state (#3425)

* Clean up dangling behaviorSubject

* Handle null in utils

* fix null check

* Await promises, even in async functions

* Add to/fromJSON methods to State and Accounts

This is needed since all storage in manifest v3 is key-value-pair-based
and session storage of most data is actually serialized into an
encrypted string.

* Simplify AccountKeys json parsing

* Fix account key (de)serialization

* Remove unused DecodedToken state

* Correct filename typo

* Simplify keys `toJSON` tests

* Explain AccountKeys `toJSON` return type

* Remove unnecessary `any`s

* Remove unique ArrayBuffer serialization

* Initialize items in MemoryStorageService

* Revert "Fix account key (de)serialization"

This reverts commit b1dffb5c2c, which was breaking serializations

* Move fromJSON to owning object

* Add DeepJsonify type

* Use Records for storage

* Add new Account Settings to serialized data

* Fix failing serialization tests

* Extract complex type conversion to helper methods

* Remove unnecessary decorator

* Return null from json deserializers

* Remove unnecessary decorators

* Remove obsolete test

* Use type-fest `Jsonify` formatting rules for external library

* Update jsonify comment

Co-authored-by: @eliykat

* Remove erroneous comment

* Fix unintended deep-jsonify changes

* Fix prettierignore

* Fix formatting of deep-jsonify.ts

Co-authored-by: Thomas Rittson <trittson@bitwarden.com>
Co-authored-by: Thomas Rittson <31796059+eliykat@users.noreply.github.com>

libs/common/spec/misc/utils.spec.ts

@@ -70,4 +70,10 @@ describe("Utils Service", () => {
       expect(Utils.newGuid()).toMatch(validGuid);
     });
   });
+
+  describe("fromByteStringToArray", () => {
+    it("should handle null", () => {
+      expect(Utils.fromByteStringToArray(null)).toEqual(null);
+    });
+  });
 });