[FEATURE] Definition of context via SiteConfiguration

[ayacoo]

As before, we currently have the problem that ‘solr’ is forced in the URL. This is done via the "context" from the Solarium Library.
vendor/solarium/solarium/src/Core/Client/Endpoint.php -> $options

Building the endpoint is very dynamic and you could control the context via a SiteConfiguration variable.
vendor/apache-solr-for-typo3/solr/Classes/System/Util/SiteUtility.php
You could add the "context" attribute to getSolrConnectionConfiguration()

Disadvantage: Depending on the case, you may have double slashes in the URL. Example: https://host//core_de Of course, this would have to be filtered.

Additional context

• TYPO3 v12
• EXT: solr 12
• Apache 9.6

We can start with a PR if the proposal is basically okay.