fnCleanUp = function() {
					if (oFragmentDialog) {
						oFragmentDialog.close();
						oFragmentDialog.destroy();
						oFragmentDialog = null;
					}
				}
Opens a confirmation dialog indicating mandatory fields if necessary.

@param {object} oElement - The analyzed control
@param {string} sText - Custom text for the dialog
@returns{Promise} The Promise which resolves when popup is closed (via Remove OR Cancel actions)