[MCM-1188] Custom blocks with "add_mob_effect" do not accept any effect IDs.

Partner Rank:

Partner Team Reporting:

Pixel Squared

Verification builds and Platforms:

1.16.100.56 minecraft_uwp_dx11_x64_win10_4711101_release, Win10
1.16.100.57 Minecraft-Release_UWP_DX11_x64_4738023, Win10
1.16.100.58 minecraft_uwp_dx11_x64_win10_4767577_release, Win10

Summary:

Custom blocks with "add_mob_effect" do not accept any effect IDs.

Impact:

Loss of functionality.

Repro Steps:

Download the attached behavior pack.
Create a new world with the behavior pack applied and experimental "Holiday Creator Features" enabled.
Open the content log.

Observed Results:

The content log throws an error saying:

[Blocks][error]-block_definitions | <...>/AppData/Local/Packages/Microsoft.MinecraftUWP_8wekyb3d8bbwe/LocalState/games/com.mojang/minecraftWorlds/<...>/behavior_packs/BP_BlockEffectBug | blocks/pixelsq_bug.json | pixelsq:bug | events | effect | add_mob_effect | effect | mob effect regeneration is invalid.

Expected Results:

Standard effect IDs are accepted.

Screenshots/Videos attached: Yes/No

Regression Builds:

None, this has never worked.