fix store content bug (#410)

client/stores/working_form.js

@@ -105,6 +105,7 @@ export const useWorkingFormStore = defineStore("working_form", {
     },
 
     addBlock(type, index = null) {
+      this.selectedFieldIndex = index
       this.blockForm.type = type
       this.blockForm.name = defaultBlockNames[type]
       const newBlock = this.prefillDefault(this.blockForm.data())
@@ -135,7 +136,7 @@ export const useWorkingFormStore = defineStore("working_form", {
         newFields.push(newBlock)
         this.content.properties = newFields
         this.openSettingsForField(
-          this.form.properties.length - 1,
+          this.content.properties.length - 1,
         )
       } else {
         const fieldIndex = typeof index === "number" ? index : this.selectedFieldIndex + 1