HPCC-18968 Ensure inline superfile properties are set

Ensure that common and aggregate sub file properties are set
in the super file for inline superfiles.

Also ensure that the file kind is set for supers.

Signed-off-by: Jake Smith <jake.smith@lexisnexisrisk.com>

dali/base/dadfs.cpp

@@ -5340,6 +5340,7 @@ public:
             _name.expand(user);//expand wildcards
         Owned<IPropertyTree> tree = _name.createSuperTree();
         init(_parent,tree,_name,user,transaction);
+        updateFileAttrs();
     }
 
     CDistributedSuperFile(CDistributedFileDirectory *_parent, IPropertyTree *_root, const char *optionalName)
@@ -5980,6 +5981,22 @@ public:
             root->setPropBin("Attr/_record_layout", mb.length(), mb.bufferBase());
         if (getRecordLayout(mb, "_rtlType"))
             root->setPropBin("Attr/_rtlType", mb.length(), mb.bufferBase());
+        const char *kind = nullptr;
+        Owned<IDistributedFileIterator> subIter = getSubFileIterator(true);
+        ForEach(*subIter)
+        {
+            IDistributedFile &file = subIter->query();
+            const char *curKind = file.queryAttributes().queryProp("@kind");
+            if (!kind)
+                kind = curKind;
+            else if (!streq(kind, curKind))
+            {
+                kind = nullptr;
+                break;
+            }
+        }
+        if (kind)
+            root->setProp("Attr/@kind", kind);
     }
 
     void updateParentFileAttrs(IDistributedFileTransaction *transaction)