Add better type safety around Channels (#6133)

* Add better type safety around Channels

- Reallow non-JSON serializable complex types

- Remove unnecessary JSON serialization step to IPC

- Remove unnecesary injectable-ization of MessageChannel and
  RequestChannel declarations

- Add channel listener injectable getter function to remove general need
  for type casting and improve type safety

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Add check to verify data in IPC related tests

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix implementation in light of new safety check in tests

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix listener ID clash potential

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Switch to not forcing split of request channel handlers being seperate from the listener decl

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Move message channels to changed signature too

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix not registering listener

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix test imports

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix type errors

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Refactor listening of different channel kinds

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Add test covering new checking code for request channel handlers

Signed-off-by: Sebastian Malton <sebastian@malton.name>

Signed-off-by: Sebastian Malton <sebastian@malton.name>

src/features/application-update/selection-of-update-stability.test.ts

@@ -222,7 +222,7 @@ describe("selection of update stability", () => {
             it('given user changes update channel to "alpha", when user would close the application, installs the update for being stable enough', () => {
               selectedUpdateChannel.setValue(updateChannels.alpha.id);
 
-              expect(setUpdateOnQuitMock).toHaveBeenLastCalledWith(false);
+              expect(setUpdateOnQuitMock).toHaveBeenLastCalledWith(true);
             });
           });
         });