Add condition for publish screenshot task (#2421)

* Add condition for publish screenshot task

* Update

* Update

---------

Co-authored-by: Connor Qi (BEYONDSOFT CONSULTING INC) <v-peq@microsoft.com>

Author: ConnorQi01

.ci/smoke-tests-common-validation.yml

@@ -12,6 +12,7 @@ steps:
   - script: npm run prepare-smoke-tests-project
     displayName: "Prepare smoke tests sample project"
   - script: npm run smoke-tests --verbose
+    continueOnError: true
     displayName: "Run smoke tests"
     env:
       DISPLAY: ":99.0"