An extra scrollbar appears in the 'Manage Custom Environments' dialog if a custom environment with a long name is added

[v-xianya]

Storage Explorer Version: 1.35.0-dev (98) Build Number: 20240614.1 Branch: main Platform/OS: Windows11/Windows 10/Linux Ubuntu 22.04 & MacOS Sonoma 14.5(Apple M1 Pro) Architecture: arm64/x64/x64/arm64 How Found: Exploratory testing Regression From: Previous release (1.32.1)

Steps to Reproduce

1. Open the connect dialog -> Click 'Subscription -> Custom Environment'.
2. Click 'Manage custom environments...' -> Click 'Add'.
3. Add one custom environment with a long name -> There is a scrollbar in the 'Custom environment' section.
4. Click 'Back' -> Then click 'Manage custom environments...'.
5. Check whether only the 'Custom environment' section has a scrollbar.

Expected Experience

Only the 'Custom environment' section has a scrollbar.

Actual Experience

An extra scrollbar appears in the 'Manage Custom Environments' dialog.