PiezoDriver: fix widget versions
Save with Phoebus version 4.7.027 to avoid error messages when starting the OPI
2023-10-12 11:53:44 WARNING [org.csstudio.display.builder.model] Widget Widget 'System 1 - Driver 1' (group) has version 3 expected 2
Save with Phoebus version 4.7.027 to avoid error messages when starting the OPI
2023-10-12 11:53:44 WARNING [org.csstudio.display.builder.model] Widget Widget 'System 1 - Driver 1' (group) has version 3 expected 2