Resolve "Statistics seem to be based only on requests created in the last hour"

What does this mr do?

Changes the average waiting time to be calculated over the handled requests in the last hour instead of the handled requests that were also created in the last hour.

Also changes the active assistants to be calculated over the handled requests in the last hour instead of the handled requests create in the last hour.

Actions taken to fix bug

Change the time from getCreatedAt() to getHandledAt()

Does this MR meet the acceptance criteria?

• I have added a changelog entry to reflect the significant changes I made and the bug I fixed.
• A test was created to test the bug.
• I have updated the documentation accordingly.
• I adhere to the style guide.

Closes #194 (closed)

added priolow typebug labels

changed the description

added 1 commit

• a0304a04 - Update CHANGELOG.md

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approved this merge request

started a merge train

removed this merge request from the merge train because failed to merge. Something went wrong during merge pre-receive hook. Pushes to protected branches that contain changes to files that match patterns defined in .gitlab/CODEOWNERS are disabled for this project. Please submit these changes via a merge request. The following pattern(s) from .gitlab/CODEOWNERS were matched: - *\n- /src/

started a merge train

mentioned in commit e1661b95

merged

unassigned @tnulle