HHH-18361 Fix for Informix current_time error

Author: VladoKuruc

hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/InformixDialect.java

@@ -672,6 +672,11 @@ public String currentDate() {
 		return "today";
 	}
 
+	@Override
+	public String currentTime() {
+		return currentTimestamp();
+	}
+
 	@Override
 	public String currentTimestamp() {
 		return "current";