Checkmk Werk 11863: Fix upload of CA files to "Agent Updater" rule

ID: 11863 Title: Fix upload of CA files to "Agent Updater" rule Component: Setup Level: 1 Class: Bug fix Version: 2.1.0i1 Uploading CA files to rules in the "Agent updater" ruleset resulted in wrong stored CA information. These files are now handled correctly. Displaying of the CA certificate issuer and subject has also been fixed.