Option --providers-of doesn't require available repos

It can work just fine with only installed packages.

This was also a change in comparison to dnf4 (option `--resolve` didn't
load available repos).

https://bugzilla.redhat.com/show_bug.cgi?id=2279959

dnf5/commands/repoquery/repoquery.cpp

@@ -474,7 +474,7 @@ void RepoqueryCommand::configure() {
     context.set_load_available_repos(
         // available_option is on by default, to check if user specified it we check priority
         available_option->get_priority() >= libdnf5::Option::Priority::COMMANDLINE || !system_repo_needed ||
-                extras->get_value() || upgrades->get_value() || !providers_of_option->get_value().empty()
+                extras->get_value() || upgrades->get_value()
             ? Context::LoadAvailableRepos::ENABLED
             : Context::LoadAvailableRepos::NONE);