ERA-2106: fix file-loader X-seaf-system filter tests

ERA-2106: rename legacy IAM decoder to own

ERA-2106: nest VCS provider property types

ERA-2106: rename CA store fields to truststore

ERA-2106: rename IAM claims bean method to own

ERA-2106: parse repo refs for enabled VCS only

ERA-2106: drop unused bitbucket project key helper

ERA-2106: import KeycloakJwtConfig in properties

ERA-2106: add TokenService claim parse trace

ERA-2106: resolve single VCS provider at startup

ERA-2106: restore fileloader header filter

ERA-2106: address review five for VCS tests and licenses

ERA-2106: add cursor rule for mtrhnv license attribution

ERA-2106: use mtrhnv only in license contributor lines

ERA-2106: restore license headers per review round 4

ERA-2106: clarify RAS docs exclude auth user config