Correctly handle trust managers when no trust manager matching the SNI name can be found

This is particularly important when using RabbitMQ with the AMQP 1.0 connector as the vhost is used as SNI name.

Author: cescoffier

extensions/tls-registry/runtime/src/main/java/io/quarkus/tls/runtime/keystores/ExpiryTrustOptions.java

@@ -84,6 +84,11 @@ public TrustManager[] apply(String s) throws Exception {
     }
 
     private TrustManager[] getWrappedTrustManagers(TrustManager[] tms) {
+        // If we do not find any trust managers (for example in the SNI case, where we do not have a trust manager for
+        // a given name), return `null` and not an empty array.
+        if (tms == null) {
+            return null;
+        }
         var wrapped = new TrustManager[tms.length];
         for (int i = 0; i < tms.length; i++) {
             var manager = tms[i];
@@ -161,4 +166,10 @@ public boolean equals(Object obj) {
         }
         return false;
     }
+
+    public String toString() {
+        return "ExpiryTrustOptions[" +
+                "delegate=" + delegate + ", " +
+                "policy=" + policy + ']';
+    }
 }