[FEATURE] Backend: Search in the solr sore

[3l73]

Is your feature request related to a problem? Please describe.
In some TYPO3 installations it is not possible to access the Solr core. This becomes an issues to verfify the behaviour of the indexing process or to determine what data is stores exactly inside of a specific Solr core.

Describe the solution you'd like
A simple search form that allows to search threw the backend without the frontend restrictions of filtering.
It mostly sshould offer a limited set of features that are availbale within the Solr admin.

This could be:

• Core selection
• Query
• Limit
• Order

Describe alternatives you've considered
Using an SSH tunnel to connect the Solr server.

Additional context

Target versions

• 12.x
• 13.x