feat(ci): trigger new E2E run after Linux build

We run `prs` job for PRs and `nightly` for... nightly.

Depends on:
https://github.com/status-im/desktop-qa-automation/pull/195

Signed-off-by: Jakub Sokołowski <jakub@status.im>

ci/Jenkinsfile.linux

@@ -105,6 +105,17 @@ pipeline {
         }
       }
     }
+
+    stage('E2E') {
+      when { expression { getE2EBuildType() != null } }
+      steps { script {
+        build(
+          job: "status-desktop/e2e/${getE2EBuildType()}",
+          parameters: jenkins.mapToParams([BUILD_SOURCE: JOB_NAME]),
+          wait: false
+        )
+      } }
+    }
   }
   post {
     success { script { github.notifyPR(true) } }
@@ -120,6 +131,13 @@ def getArch() {
   }
 }
 
+def getE2EBuildType() {
+  if (utils.isPRBuild()) { return 'prs' }
+  def parent = parentOrCurrentBuild()
+  if (parent != null && parent.name == 'nightly') { return nightly }
+  return null
+}
+
 def getMockedKeycardLibDefault() {
   return utils.isReleaseBuild() ? 'false' : 'true'
 }