Metacat

Use the new query(SolrParams param) method of the SolrQueryServiceController.

Use the SolrQueryServiceController class to handle the query.

Move the cod which transformed the query response to the inputstream to the metacat-common module.
Remove some obsoleted imports.

Move the code to generate the QueryResponseWriter to the metacat-common module. So it can be shared with the metacat-index module.

organize imports

remove extra lines from returned <docid/> block. https://projects.ecoinformatics.org/ecoinfo/issues/5932

Allow use of PID instead of docid in the Perl registry. At least for reading/editing and deleting existing content. Does not create content using a pid. https://projects.ecoinformatics.org/ecoinfo/issues/5932

initialize the SOLR home directory if it does not already exist.

Only after reloading the core, the query result can reflect the change made in metacat-index module.

Fixed a bug to put "OR" correctly in the query.
And remove the user "authorized_user" from the rightsholder clause in the query.