First delete OSCORE object on client when writing to it

Signed-off-by: Rikard Höglund <rikard.hoglund@ri.se>

leshan-bsserver-demo/src/main/resources/webapp/js/bsconfigstore.js

@@ -48,20 +48,26 @@ var configsFromRestToUI = function(configs){
 //convert config from UI to rest API format:
 var configFromUIToRest = function(config){
     var newConfig = {servers:{}, security:{}, oscore:{}};
+    var writingOscore = false;
     for (var i = 0; i < config.bs.length; i++) {
         var bs = config.bs[i];
         newConfig.security[i] = bs.security;
         newConfig.oscore[i] = bs.oscore;
+        writingOscore |= (bs.oscore != null);
     }
     for (var j = 0; j < config.dm.length; j++) {
         var dm = config.dm[j];
         newConfig.security[i+j] = dm.security;
         delete dm.security;
         newConfig.oscore[i+j] = dm.oscore;
+        writingOscore |= (dm.oscore != null);
         delete dm.oscore;
         newConfig.servers[j] = dm;
     }
     newConfig.toDelete = ["/0", "/1"]
+    if(writingOscore) {
+        newConfig.toDelete.push("/21");
+    }
     return newConfig;
 };