Fix #3867: Use different MessageDialog to show errors from ConnectionSettingsDialog

src/qml/ConnectionSettignsDialog.qml

@@ -82,6 +82,14 @@ Dialog {
         uiBlocker.visible = true
     }
 
+    function showMsg(msg) {
+        dialog_notification.showMsg(msg)
+    }
+
+    function showError(err) {
+        dialog_notification.showError(err)
+    }
+
     onVisibleChanged: {
         if (visible)
             settingsTabs.currentIndex = 0
@@ -483,5 +491,26 @@ Dialog {
                 anchors.fill: parent
             }
         }
+
+        MessageDialog {
+            id: dialog_notification
+            objectName: "rdm_qml_connection_settings_error_dialog"
+            visible: false
+            modality: Qt.WindowModal
+            icon: StandardIcon.Warning
+            standardButtons: StandardButton.Ok
+
+            function showError(msg) {
+                icon = StandardIcon.Warning
+                text = msg
+                open()
+            }
+
+            function showMsg(msg) {
+                icon = StandardIcon.Information
+                text = msg
+                open()
+            }
+        }
     }
 }

src/qml/app.qml

@@ -68,13 +68,13 @@ ApplicationWindow {
 
         objectName: "rdm_connection_settings_dialog"
 
-        onTestConnection: {            
+        onTestConnection: {                       
             if (connectionsManager.testConnectionSettings(settings)) {
                 hideLoader()
-                notification.showMsg(qsTr("Successful connection to redis-server"))
+                showMsg(qsTr("Successful connection to redis-server"))
             } else {
                 hideLoader()
-                notification.showError(qsTr("Can't connect to redis-server"))
+                showError(qsTr("Can't connect to redis-server"))
             }            
         }