fix footnote check

Author: adamdoe

.gitignore

@@ -8,6 +8,8 @@ ehthumbs.db
 Thumbs.db
 
 # IDE Specific
+.claude
+CLAUDE.local.md
 nbproject
 .~lock.*
 .buildpath

packages/dashboard/src/helpers/getVizConfig.ts

@@ -26,7 +26,9 @@ export const getFootnotesVizConfig = (
   if (matchingFilters.length) {
     visualizationConfig.footnotes.data = filterData(matchingFilters, data)
   } else {
-    visualizationConfig.footnotes.data = data
+    if (visualizationConfig.footnotes.data) {
+      visualizationConfig.footnotes.data = data
+    }
   }
 
   return visualizationConfig