feat(tests): integration tests for directed identity

[njlie]

Changes proposed in this pull request

• Adds integration tests for directed identity.
  • Adds a second OP client to the ASEs that use directed identity during non-interactive grants.

Context

Fixes RAF-1216.

Checklist

• Related issues linked using fixes #number
• Tests added/updated
• Make sure that all checks pass
• Bruno collection updated (if necessary)
• Documentation issue created with user-docs label (if necessary)
• OpenAPI specs updated (if necessary)

[github-actions]

🚀 Performance Test Results

Test Configuration:

• VUs: 4
• Duration: 1m0s

Test Metrics:

• Requests/s: 43.34
• Iterations/s: 14.45
• Failed Requests: 0.00% (0 of 2609)

📜 Logs

> performance@1.0.0 run-tests:testenv /home/runner/work/rafiki/rafiki/test/performance
> ./scripts/run-tests.sh -e test "-k" "-q" "--vus" "4" "--duration" "1m"

Cloud Nine GraphQL API is up: http://localhost:3101/graphql
Cloud Nine Wallet Address is up: http://localhost:3100/
Happy Life Bank Address is up: http://localhost:4100/
cloud-nine-wallet-test-backend already set
cloud-nine-wallet-test-auth already set
happy-life-bank-test-backend already set
happy-life-bank-test-auth already set
     data_received..................: 942 kB 16 kB/s
     data_sent......................: 2.0 MB 33 kB/s
     http_req_blocked...............: avg=7.6µs    min=2.38µs   med=5.09µs   max=2.27ms   p(90)=6.26µs   p(95)=6.82µs  
     http_req_connecting............: avg=540ns    min=0s       med=0s       max=425.36µs p(90)=0s       p(95)=0s      
     http_req_duration..............: avg=91.69ms  min=7.46ms   med=76.06ms  max=665.31ms p(90)=154.52ms p(95)=171.58ms
       { expected_response:true }...: avg=91.69ms  min=7.46ms   med=76.06ms  max=665.31ms p(90)=154.52ms p(95)=171.58ms
     http_req_failed................: 0.00%  ✓ 0         ✗ 2609
     http_req_receiving.............: avg=83.94µs  min=23.34µs  med=73.3µs   max=1.22ms   p(90)=111.88µs p(95)=141.95µs
     http_req_sending...............: avg=33.98µs  min=10.09µs  med=25.5µs   max=2.18ms   p(90)=37.98µs  p(95)=52.18µs 
     http_req_tls_handshaking.......: avg=0s       min=0s       med=0s       max=0s       p(90)=0s       p(95)=0s      
     http_req_waiting...............: avg=91.57ms  min=7.32ms   med=75.98ms  max=665.19ms p(90)=154.38ms p(95)=171.48ms
     http_reqs......................: 2609   43.344209/s
     iteration_duration.............: avg=276.53ms min=186.19ms med=262.41ms max=1.11s    p(90)=327.09ms p(95)=364.79ms
     iterations.....................: 870    14.453607/s
     vus............................: 4      min=4       max=4 
     vus_max........................: 4      min=4       max=4