fix mounting Vue container component
After upgrading "@unitybase/bpm": "4.3.3" -> "@unitybase/bpm": "4.4.0" in bucbpm project the next Error Cannot find element: #panel-1631-outerCt undefined
starts appear when we open some task form from there. I found next fast solution for our project. @pavel.mash, @rumata please review
Edited by Pavlo Mashliakovskiy