publicize-components: Fix tests (#42063)

PR #41951 added some new tests, with a bunch of mocking. Meanwhile
PRs #42019 and #41859 added new calls that need to be mocked.

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/13546652359

Upstream-Ref: Automattic/jetpack@544eb68

Author: anomiex

src/utils/test-mocks.js

@@ -22,6 +22,7 @@ jest.mock( '@automattic/jetpack-script-data', () => ( {
 	isSimpleSite: jest.fn(),
 	siteHasFeature: jest.fn(),
 	getMyJetpackUrl: jest.fn( () => 'https://example.com/add-license' ),
+	currentUserCan: jest.fn( () => true ),
 } ) );
 
 jest.mock( '@wordpress/editor', () => ( {
@@ -66,6 +67,10 @@ jest.mock( './', () => ( {
 	hasSocialPaidFeatures: jest.fn( () => false ),
 } ) );
 
+jest.mock( '../social-store/hydrate-stores.ts', () => ( {
+	hydrateStores: jest.fn(),
+} ) );
+
 // Store
 const defaultStore = {
 	getSocialModuleSettings: () => ( { publicize: true } ),