fix(frontend): Consider checkboxes in table cross references

legalconsenthub/app/composables/useTableCrossReferences.ts

@@ -19,6 +19,16 @@ export function useTableCrossReferences() {
 
     const sourceTable = findTableElement(columnConfig.sourceTableReference, allFormElements)
     if (!sourceTable) {
+      // Fallback: CHECKBOX element — return all option labels as dropdown choices
+      const sourceCheckbox = allFormElements.find(
+        (el) => el.reference === columnConfig.sourceTableReference && el.type === 'CHECKBOX'
+      )
+      if (sourceCheckbox) {
+        return sourceCheckbox.options
+          .filter((opt) => opt.value === 'true')
+          .map((opt) => opt.label)
+          .filter(Boolean)
+      }
       return []
     }