Addresses Issue #12388: When a Block List Editor is the last property on a tab, it's components properties have little to no spacing.

[markadrake]

When a Block List Editor is the last property on a tab, it's components properties have little to no spacing.

Prerequisites

• I have added steps to test this contribution in the description below

If there's an existing issue for this PR then this fixes #12388.

Description

• When the Block List is the last property editor on a tab, and using inline editing, the margin between the properties disappears. There's also a smidge of additional margin at the bottom that could be removed.
• Minimal changes to LESS were made to address this issue.
• Please review the backoffice editing experience thoroughly.

Before PR:

After PR:

[github-actions]

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[georgebid]

Hey @markadrake thanks for the PR! I will take a look at this soon :)

[georgebid]

Looks really nice @markadrake! I have now merged this in and it will feature in release/11.4.0 🎉

[nul800sebastiaan]

Cherry picked for 10.6 in 539640f