Create search when replaying events/event definitions.

[dennisoelkers]

Note: This needs to be backported to 5.1.

Description

Motivation and Context

This is a follow-up to #15453, applying the same fix also for the pages replaying events/event definitions. This is preventing a 404 being turned into an exception when replaying events/event definitions.

Fixes #15552.
Fixes #15689.

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Refactoring (non-breaking change)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.