fix(e2e): address review feedback on kafka variant config

- Reduce CI retries from 2 to 1
- Switch local reporter from list to markdown for LLM-friendly output
- Add localhost:3002 to allowedOrigins (external Docker port for this variant)

Author: jvorcak

frontend/tests/test-variant-kafka/config/console.config.yaml

@@ -17,4 +17,4 @@ redpanda:
 
 server:
   listenPort: 3000
-  allowedOrigins: ["http://localhost:3000", "http://localhost:3001"]
+  allowedOrigins: ["http://localhost:3000", "http://localhost:3001", "http://localhost:3002"]

frontend/tests/test-variant-kafka/playwright.config.ts

@@ -5,7 +5,7 @@ dotenv.config();
 
 const reporters = process.env.CI
   ? [['github' as const], ['html' as const, { outputFolder: 'playwright-report' }]]
-  : [['list' as const], ['html' as const, { outputFolder: 'playwright-report' }]];
+  : [['markdown' as const], ['html' as const, { outputFolder: 'playwright-report' }]];
 
 const config = defineConfig({
   expect: {
@@ -18,7 +18,7 @@ const config = defineConfig({
 
   forbidOnly: !!process.env.CI,
 
-  retries: process.env.CI ? 2 : 0,
+  retries: process.env.CI ? 1 : 0,
 
   workers: process.env.CI ? 4 : undefined,