BigSolo : Fix extension #11226 (#11233)

* BigSolo: Revert changes of #11156

* BigSolo: Fix for recent backend changes (Closes #11226) + Open link in app

* BigSolo: Change name to "BigSolo" -> override id

* BigSolo: Use enpoint "/data/series/{slug}" + optimization

* BigSolo: Add www subdomain to Manifest

* BigSolo: data class to class + remove unused variables in serializable

* BigSolo: Remove unused variable

* BigSolo: Changes asked by vetleledaal

* BigSolo: Changes asked by AwkwardPeak7