Summary:
Player can't open inventory in spectator game mode.
It doesn't match the java version. In the java version, the player can open the inventory, but will not be able to drag and drop items, switch crafting recipe tabs, or view item crafting. He can only open and close the recipe book.

Steps to reproduce:

1. Switch to spectator mode.
2. Try to open inventory.

Observed results:
Inventory won't open.

Expected results:
The inventory will open in spectator mode and work like in the java version.

Video:
Java
Minecraft 1.19 - Singleplayer 2022-06-09 14-47-14.mp4