jenkinsfile: use HOME=/tmp for tests

Change-Id: Ib5f207eb730be43a7cc5ebfb7cda2b230054badd

extras/ci/client-qt-gnulinux/Jenkinsfile

@@ -57,7 +57,6 @@ pipeline {
                 script {
                     // Checkout jami-project to obtain daemon/LRC/client-qt repositories
                     sh """
-                        ls
                         ./build.py --init
                     """
                 }
@@ -97,7 +96,7 @@ pipeline {
                                 exec_cmd("""
                                     cd ${dockerTopDir}
                                     cd tests/qml/src
-                                    ../../../build/tests/qml_tests
+                                    HOME=/tmp ../../../build/tests/qml_tests
                                 """)
                             }
                         }

src/app/mainview/components/ChatView.qml

@@ -39,12 +39,6 @@ Rectangle {
     signal messagesCleared
     signal messagesLoaded
 
-     onVisibleChanged: {
-        if (visible)
-            return
-        UtilsAdapter.clearInteractionsCache(CurrentAccount.id, CurrentConversation.id)
-    }
-
     function focusChatView() {
         chatViewFooter.textInput.forceActiveFocus()
         swarmDetailsPanel.visible = false