Search: Default state is no active index versions

[rebeccahum]

Description

Last missing piece of #3963.

Changelog Description

Plugin Updated: Enterprise Search

Initial state of Enterprise Search is no active versions.

[codecov]

Codecov Report

Merging #4434 (1f783cc) into develop (e24830b) will increase coverage by 0.13%.
The diff coverage is 15.87%.

@@              Coverage Diff              @@
##             develop    #4434      +/-   ##
=============================================
+ Coverage      28.78%   28.91%   +0.13%     
- Complexity      4604     4613       +9     
=============================================
  Files            270      270              
  Lines          20403    20425      +22     
=============================================
+ Hits            5873     5906      +33     
+ Misses         14530    14519      -11     

Impacted Files	Coverage Δ
...ch/includes/classes/commands/class-corecommand.php	0.00% <0.00%> (ø)
search/includes/classes/class-versioning.php	86.55% <100.00%> (+0.19%)	⬆️

... and 3 files with indirect coverage changes

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

No Coverage information
0.0% Duplication

[rinatkhaziev]

Looks mostly good but I think there's potential to simplifying things a bit, see my inline comment.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

No Coverage information
0.0% Duplication

[github-actions]

This pull request has been marked stale because it has been open for 60 days with no activity. If there is no activity within 7 days, it will be closed.

This is an automation to keep pull requests manageable and actionable and is not a comment on the quality of this pull request nor on the work done so far. Closed PRs are still valuable to the project and their branches are preserved.