WIP: Fix broken links in HTML push emails

What does this MR do?

Bug fix for broken HTML links in push emails, issue: #35543 (moved)


I tested the following cases: changing, adding, renaming and removing files having "Disable code diffs" in the configuration of the "Emails on push" service enabled and disabled: in call cases the "changed files" section contained proper links to the respective gitlab server.

What are the relevant issue numbers?

Closes #35543 (moved)

Edited by username-removed-1291415

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