Gets empty optional emails instead of blank strings.

Author: BryceStevenWilley

proxyserver/src/main/java/edu/suffolk/litlab/efsp/docassemble/PersonDocassembleJacksonDeserializer.java

@@ -74,7 +74,7 @@ public static Result<Person, FilingError> fromNode(
         }
       }
     }
-    var emailRes = parser.vetEmail(getStringMember(node, "email"));
+    var emailRes = parser.vetEmail(getNonEmptyStringMember(node, "email"));
     Optional<String> email;
     if (emailRes.isErr()) {
       collector.addTextError(emailRes.expectErr(""), collector.varBuilder().name("email"));