observation statement schema update

Author: ORybak5

service/src/main/resources/templates/unstructured_observation_statement_template.mustache

@@ -6,10 +6,10 @@
         <effectiveTime>
             {{{effectiveTime}}}
         </effectiveTime>
+        {{{issued}}}
         {{#confidentialityCode}}
             {{{confidentialityCode}}}
         {{/confidentialityCode}}
-        {{{issued}}}
         {{{value}}}
         {{{interpretation}}}
         <pertinentInformation typeCode="PERT">