feat(fullstack): Add test application form creation

legalconsenthub/app/components/FormStepperWithNavigation.vue

@@ -203,9 +203,10 @@ const { isSwiping } = usePointerSwipe(stepperScrollEl, {
 const previousVisibilityMap = ref<Map<string, boolean>>(new Map())
 
 const allFormElements = computed(() => {
-  return props.formElementSections
-    .filter((section) => section.isTemplate !== true)
-    .flatMap((section) => section.formElementSubSections?.flatMap((subsection) => subsection.formElements) ?? [])
+  const nonTemplateSections = props.formElementSections.filter((section) => section.isTemplate !== true)
+  return nonTemplateSections.flatMap(
+    (section) => section.formElementSubSections?.flatMap((subsection) => subsection.formElements) ?? []
+  )
 })
 
 const visibilityMap = computed(() => {
@@ -407,15 +408,34 @@ function handleFormElementUpdate(updatedFormElements: FormElementDto[], subsecti
 }
 
 function clearNewlyHiddenFormElements(sections: FormElementSectionDto[]): FormElementSectionDto[] {
-  const allElements = sections.flatMap(
+  // Only evaluate visibility for non-template sections to avoid duplicate reference issues
+  const nonTemplateSections = sections.filter((section) => section.isTemplate !== true)
+  const allElements = nonTemplateSections.flatMap(
     (section) => section.formElementSubSections?.flatMap((subsection) => subsection.formElements) ?? []
   )
   const newVisibilityMap = evaluateFormElementVisibility(allElements)
 
-  const clearedSections = clearHiddenFormElementValues(sections, previousVisibilityMap.value, newVisibilityMap)
+  // Only clear values in non-template sections, preserve template sections unchanged
+  const clearedNonTemplateSections = clearHiddenFormElementValues(
+    nonTemplateSections,
+    previousVisibilityMap.value,
+    newVisibilityMap
+  )
   previousVisibilityMap.value = newVisibilityMap
 
-  return clearedSections
+  // Create a map of cleared sections by their identity for lookup
+  const clearedSectionMap = new Map<FormElementSectionDto, FormElementSectionDto>()
+  nonTemplateSections.forEach((original, index) => {
+    clearedSectionMap.set(original, clearedNonTemplateSections[index]!)
+  })
+
+  // Preserve original order: replace non-template sections with cleared versions, keep templates unchanged
+  return sections.map((section) => {
+    if (section.isTemplate === true) {
+      return section
+    }
+    return clearedSectionMap.get(section) ?? section
+  })
 }
 
 function getSubsectionKey(