[Merged by Bors] - [assets] set LoadState properly and more testing!#2226

NathanSWard wants to merge 8 commits into

bevyengine:mainbevyengine/bevy:mainfrom

NathanSWard:nward/asset-server-fixesNathanSWard/bevy:nward/asset-server-fixesCopy head branch name to clipboard