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/nodes-base/nodes/MySql/test/v2/operations.test.ts

@@ -207,7 +207,6 @@ describe('Test MySql V2, operations', () => {
 
 		fakeConnectionCopy.query = jest.fn(async (query?: string) => {
 			const result = [];
-			console.log(query);
 			if (query?.toLowerCase().includes('select')) {
 				result.push([{ id: 1, name: 'test 1' }]);
 			} else {