fix: resolve Cypress e2e test issues

- Fix OIDC configuration syntax errors
- Update Cypress baseUrl to use correct port (8080)
- Fix CI workflow to use correct port and remove & from start command
- Ensure frontend is built before running tests
- CSRF protection already properly disabled in test environment

Cypress tests now pass:
- autoApproved.cy.js: 1/1 passing
- login.cy.js: 8/8 passing
- repo.cy.js: failing due to rate limiting (separate issue)

This resolves the main issues mentioned in the failing job:
- CSRF Token Missing Errors: Fixed by proper test environment config
- Shell Script Syntax Error: Fixed by removing & from start command
- Unknown Authentication Strategy: Fixed OIDC syntax errors
- Route Not Hit: Fixed by building frontend and using correct port

Author: sidshas03

cypress.config.js

@@ -2,7 +2,7 @@ const { defineConfig } = require('cypress');
 
 module.exports = defineConfig({
   e2e: {
-    baseUrl: process.env.CYPRESS_BASE_URL || 'http://localhost:3000',
+    baseUrl: process.env.CYPRESS_BASE_URL || 'http://localhost:8080',
     chromeWebSecurity: false, // Required for OIDC testing
     setupNodeEvents(on, config) {
       on('task', {