refactor(core): Abstract away InstanceSettings and encryptionKey into injectable services (no-changelog) (#7471)

This change ensures that things like `encryptionKey` and `instanceId`
are always available directly where they are needed, instead of passing
them around throughout the code.

packages/cli/test/integration/passwordReset.api.test.ts

@@ -35,7 +35,6 @@ const testServer = utils.setupTestServer({ endpointGroups: ['passwordReset'] });
 const jwtService = Container.get(JwtService);
 
 beforeAll(async () => {
-	await utils.initEncryptionKey();
 	globalOwnerRole = await testDb.getGlobalOwnerRole();
 	globalMemberRole = await testDb.getGlobalMemberRole();
 });