Renamed load&save workspace to import&export project

CURA-1263

resources/qml/Actions.qml

@@ -290,7 +290,7 @@ Item
     Action
     {
         id: loadWorkspaceAction
-        text: catalog.i18nc("@action:inmenu menubar:file","&Open Workspace...");
+        text: catalog.i18nc("@action:inmenu menubar:file","&Import project...");
     }
 
     Action

resources/qml/Cura.qml

@@ -110,7 +110,7 @@ UM.MainWindow
                 MenuItem
                 {
                     id: saveWorkspaceMenu
-                    text: catalog.i18nc("@title:menu menubar:file","Save Workspace")
+                    text: catalog.i18nc("@title:menu menubar:file","Import project")
                     onTriggered: UM.OutputDeviceManager.requestWriteToDevice("local_file", PrintInformation.jobName, { "filter_by_machine": false, "file_type": "workspace" });
                 }