Files
UnrealEngineUWP/Engine/Source/Runtime/SlateCore
yohann dossantos e3275ca59b Improve Scrollbox slot to support the same settings than the vertical/horizontal/stack box:
- size rule auto and strech.
- max size.
Expose the size rule also in the ScrollBoxSlot for UMG.

tests:
-reverted some workaround in the code and used the new FillSize slot parameter with success.
-tested a lot of sub editors, as the code also impact vertical/horizontal box.
-created new UMG data in QAGame using the new attributes (will submit them soon), and used blueprint graph to change the size settings of a scrollbox slot.

#jira UE-161777
#rb patrick.boutot
#preflight 6360112be86070572fd89aae

[CL 22868510 by yohann dossantos in ue5-main branch]
2022-10-31 14:44:30 -04:00
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