[EDFTomoScan] avoid calling update when create the EDFTomoScan to prefer a lazy loading

6 jobs for EDFTomoScan_lazy_loading in 6 minutes and 44 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Style
passed #191499
check_style

00:02:57

passed #191224
check_style

00:00:15

 
  Test Library
passed #191500
test:python3.7_stretch_pyqt5

00:06:10

passed #191225
test:python3.7_stretch_pyqt5

00:04:22

 
  Test Notbooks
passed #191501
test:test-tomoscan-tutorials

00:06:35

passed #191226
test:test-tomoscan-tutorials

00:04:48