fix: normalize embedded scope IDs and ensure scope resources do not receive scope-prefixed URLs like other resources do

addons/api/tests/unit/adapters/application-test.js

@@ -35,6 +35,16 @@ module('Unit | Adapter | application', function (hooks) {
     assert.equal(prefix, `v1/scopes/${scopeID}`);
   });
 
+  test('it does not prefixes URLs with `scopeID` for scope resources', function (assert) {
+    assert.expect(1);
+    const scopeID = 'global';
+    const adapter = this.owner.lookup('adapter:application');
+    const prefix = adapter.urlPrefix(null, null, 'scope', null, {
+      adapterOptions: {scopeID}
+    });
+    assert.equal(prefix, `v1`);
+  });
+
   test('it generates correct default URL suffixes', function (assert) {
     assert.expect(1);
     const adapter = this.owner.lookup('adapter:application');