[Bug]: transforms are marked as changed when opening a dialog

[mattcasters]

Apache Hop version?

2.18.0-SNAPSHOT

Java version?

openjdk 21.0.10 2026-01-20 LTS

Operating system

Linux

What happened?

If you open a transform dialog in the GUI, the pipeline is marked as changed.
A transform should only be marked as changed when the OK button is used in the dialog.

Issue Priority

Priority: 1

Issue Component

Component: Hop Gui

[hansva]

Some of them did it on open, some on ok. aligned it but I'll move it to ok for all transforms.
At some point we need to add actual values changes back in the mix

[hansva]

.take-issue