Add BuildStatus.ClearWarningsForGraph()
Add AstID field to WarningEntry
Add AstID field to runtime warning entry
Clear warnings for ast, not for node
Respect custom node loading sequence
Merge pull request #2659 from ke-yu/fix_magn4837

Fix magn-4837: nested custom node return nulls or crash on load/run of file IN revit any version
Merge master
Add regression test
Merge pull request #2686 from ke-yu/fix_magn4710

Fix MAGN-4710 Errors/Warnings are not getting cleared from nodes
Merge master