[stable10] invitation sender name from master to stable10

[valentinstn]

Motivation and Context

Invitations to events are send by people and not the technical email address. Invitees expect to get an invitation from another person, not a service.

How Has This Been Tested?

Manually tested in our environment and by other users here: #25470 (comment)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Database schema changes (next release will require increase of minor version instead of patch)
• Breaking change (fix or feature that would cause existing functionality to change)
• Technical debt
• Tests only (no source changes)

Checklist:

• Code changes
• Unit tests added
• Acceptance tests added
• Documentation ticket raised:

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[valentinstn]

Backport, see #34899

[PVince81]

git fetch failed in CI. restarted

[PVince81]

restarted failed build that had troubles fetching from git