Can break ender portal frame as a visitor on an island

[Seeting-yt]

Steps to Reproduce

1. go on an island where you're a visitor
2. go to an end portal frame
3. take a pickaxe
4. shift left click on the frame

Expected Behavior

I thought i could'nt break the frame

Actual Behavior

The frame just dropped and I was able to recover it

Screenshots

I have not the 'is bypass' activate

I shift right click and...

The frame drop

Server Software & Minecraft Version

paper 1.20.4

IridiumSkyblock version

4.1.0B2

Server logs

No response

Additional Comments

No response

[dlsf]

And the island owner didn't give you block break permissions, by any chance?

[Seeting-yt]

No, i have no permissions on this island (without bypass of course)

Just one edit : it's left clicking and not right clicking sorry.