Fix being able to paste objects while composer is loading

Would lead to exceptions due to modification of `Beatmap.HitObjects`
during its enumeration by `DrawableRuleset`, which was happening as an
async load via `EditorScreenWithTimeline.CreateMainContent()`.
This commit is contained in:
Bartłomiej Dach 2021-12-07 21:00:25 +01:00
parent 74db8da11b
commit 10dd64e07c
No known key found for this signature in database
GPG Key ID: BCECCD4FA41F6497