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BDropdown causes unhandled exception if it overflows the browser area. #2668

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@mshima

Description

@mshima

Describe the bug

If the BDropdown/BNavbar overflows the available height an unhandled exception happens:

ResizeObserver loop completed with undelivered notifications.

Reproduction

Open the dropdown and see the issue on the browser console.

https://bootstra-vue-next-template-m75drpxy.stackblitz.io

Cypress error running on chrome:
https://github.com/mshima/generator-jhipster/actions/runs/14642584904/job/41088421081

[e2e]   1 failing
[e2e] 
[e2e]   1) EntityCustomIdDTOMapsId e2e test
[e2e]        EntityCustomIdDTOMapsIds menu should load EntityCustomIdDTOMapsIds page:
[e2e]      Error: The following error originated from your application code, not from Cypress.
[e2e] 
[e2e]   > ResizeObserver loop completed with undelivered notifications.
[e2e] 
[e2e] When Cypress detects uncaught errors originating from your application it will automatically fail the current test.
[e2e] 
[e2e] This behavior is configurable, and you can choose to turn this off by listening to the `uncaught:exception` event.

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npm

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