[patch] add temporary flag for install RHOAI

Author: karol-czarnecki

src/mas/devops/templates/pipelinerun-install.yml.j2

@@ -843,6 +843,8 @@ spec:
     # -------------------------------------------------------------------------
     - name: aiservice_rhoai_model_deployment_type
       value: "{{ aiservice_rhoai_model_deployment_type }}"
+    - name: rhoai
+      value: "{{ rhoai }}"
 
     # AI Service - watsonX
     # -------------------------------------------------------------------------