Mcaddons won't upload to MInecraft, but it does to the Preview version of Minecraft

Steps to Reproduce

1. Get the alphabet lore addon https://www.mediafire.com/file/02f2fje4mwg4oor/Minecraft+Alphabet+Lore+addon+V1.5_1665527942040.mcaddon/file
2. Open it into Minecraft

Expected Result:

The importing addon should appear and successfully install the Alphabet Lore Pack

Observed Result:

Minecraft DOES NOT respond, but Minecraft Preview does.