feat(ui) Show documentation on Domain pages first (#8110)

Author: chriscollins3456

datahub-web-react/src/app/entity/domain/DomainEntity.tsx

@@ -71,14 +71,14 @@ export class DomainEntity implements Entity<Domain> {
             headerActionItems={new Set([EntityActionItem.BATCH_ADD_DOMAIN])}
             isNameEditable
             tabs={[
-                {
-                    name: 'Entities',
-                    component: DomainEntitiesTab,
-                },
                 {
                     name: 'Documentation',
                     component: DocumentationTab,
                 },
+                {
+                    name: 'Entities',
+                    component: DomainEntitiesTab,
+                },
                 {
                     name: 'Data Products',
                     component: DataProductsTab,

smoke-test/tests/cypress/cypress/e2e/domains/domains.js

@@ -1,7 +1,7 @@
 describe("domains", () => {
   it("can see elements inside the domain", () => {
     cy.login();
-    cy.goToDomain("urn:li:domain:marketing");
+    cy.goToDomain("urn:li:domain:marketing/Entities");
 
     cy.contains("Marketing");
     cy.contains("SampleCypressKafkaDataset");