Job Statistics Backend: PHP warning

[Gnodesign]

Describe the bug
When clicking on the Job Views link in the Job Manager admin dashboard, a PHP warning is triggered:
PHP Warning: Attempt to read property "ID" on null in /wp-job-manager/wp-job-manager-template.php on line 903

To Reproduce
Steps to reproduce the behavior:

1. Enable wp_debug
2. Go to WP Dashboard → Job Manager → Job Listings.
3. Click on Views/Statistics for any job listing.
4. Check debug log

Isolating the problem (mark completed items with an [x]):

• I have deactivated other plugins and confirmed this bug occurs when only WP Job Manager plugin is active.
• This bug happens with a default WordPress theme active.
• I can reproduce this bug consistently using the steps above.

WordPress Environment

• WordPress Version: 6.8.2
• WP Job Manager Version: 2.4.0
• PHP Version: 8.3.17

[azaozz]

@Gnodesign Could you have a look / do a quick test of the PR. As far as I see it shouldn't create any other issues.

[Gnodesign]

@azaozz I just tested your PR, and the warning no longer appears. I can confirm that the fix works as expected.