No UI

Steps to reproduce:

1.Open a page with VE
2.Open the link inspector/math inspector for an existing link
3.Close the inspector by clicking on "Done" button or you can keep the inspector open
4.Now scroll down the page so that the inspector goes outside the current surface
5.Now click somewhere else in the document
6.Now go back and reopen the previous inspector

Observed Result:
There is no UI for the inspector,if you try inspecting some other inspector on the current viewport that will also appear without any UI.

for link inspector if you switch tab and come back to VE, the link inspector will have only the link target suggestions inside it .

Environment: Betalabs, test2

Version: unspecified
Severity: major

Attached: