Undo/redo form editor (#452)

* Undo/redo form editor

* Fix undo/redo

* Fix history with version check

* Increase default history size

---------

Co-authored-by: Julien Nahum <julien@nahum.net>

client/components/open/editors/UndoRedo.vue

@@ -0,0 +1,32 @@
+<template>
+  <UButtonGroup
+    size="sm"
+    orientation="horizontal"
+  >
+    <UButton
+      :disabled="!canUndo"
+      color="white"
+      icon="i-material-symbols-undo"
+      class="disabled:text-gray-500"
+      @click="undo"
+    />
+    <UButton
+      :disabled="!canRedo"
+      icon="i-material-symbols-redo"
+      color="white"
+      class="disabled:text-gray-500"
+      @click="redo"
+    />
+  </UButtonGroup>
+</template>
+
+<script setup>
+const workingFormStore = useWorkingFormStore()
+
+const { undo, redo, clearHistory } = workingFormStore
+const { canUndo, canRedo } = storeToRefs(workingFormStore)
+
+onMounted(() => {
+  setTimeout(() => { clearHistory() }, 500)
+})
+</script>