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/src/PublicApi/v1/handlers/credentials/credentials.handler.ts

@@ -93,7 +93,7 @@ export = {
 				return res.status(404).json({ message: 'Not Found' });
 			}
 
-			const schema = new CredentialsHelper('')
+			const schema = Container.get(CredentialsHelper)
 				.getCredentialsProperties(credentialTypeName)
 				.filter((property) => property.type !== 'hidden');