feat(store-header): add fetchpriority and loading attributes to images for performance optimization

src/app/app.spec.ts

@@ -90,6 +90,11 @@ describe('App', () => {
     expect(
       document.head.querySelector<HTMLLinkElement>('link[rel~="icon"]')?.getAttribute('href'),
     ).toBe(tenant.favicon);
+    expect(
+      document.head
+        .querySelector<HTMLLinkElement>('link[rel~="icon"]')
+        ?.getAttribute('fetchpriority'),
+    ).toBe('high');
   });
 
   it('renders the tenant not found screen when the tenant is missing', async () => {
@@ -114,6 +119,10 @@ describe('App', () => {
     expect(
       document.head.querySelector<HTMLLinkElement>('link[rel~="icon"]')?.getAttribute('href'),
     ).toBe("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'/%3E");
+    expect(
+      document.head
+        .querySelector<HTMLLinkElement>('link[rel~="icon"]')
+        ?.getAttribute('fetchpriority'),
+    ).toBe('high');
   });
-
 });