libgit2: fix managed transport enabled flag updation

Signed-off-by: Sanskar Jaiswal <jaiswalsanskar078@gmail.com>

Author: aryan9600

pkg/git/libgit2/managed/init.go

@@ -75,8 +75,9 @@ func InitManagedTransport(log logr.Logger) error {
 			return
 		}
 
-		err = registerManagedSSH()
-		enabled = true
+		if err = registerManagedSSH(); err != nil {
+			enabled = true
+		}
 	})
 
 	return err