Only on servers for me, the keepInventory gamerule doesn't prevent you from losing stuff when dying in another dimension than the one you activated it

When you activate the keepInventory gamerule in a dimension (for example Overworld) and then die in another dimension (for example Nether), you will not be able to get your stuff back.

I also found out that the bug can be got around simply by reactivating the gamerule in each dimension (before dying obviously).

It arrives to me when I was not registering so I recreated it with a demonstration video you can find in the following Dropbox link : https://www.dropbox.com/s/q3mn8fsyi4rrx2m/Minecraft%202019.05.17%20-%2012.27.50.02.mp4?dl=0