Wrap guest document delete in transaction

src/main/kotlin/com/android/trisolarisserver/controller/GuestDocuments.kt

@@ -20,6 +20,7 @@ import org.springframework.http.HttpStatus
 import org.springframework.http.MediaType
 import org.springframework.http.ResponseEntity
 import org.springframework.security.core.annotation.AuthenticationPrincipal
+import org.springframework.transaction.annotation.Transactional
 import org.springframework.web.bind.annotation.*
 import org.springframework.web.multipart.MultipartFile
 import org.springframework.web.server.ResponseStatusException
@@ -141,6 +142,7 @@ class GuestDocuments(
 
     @DeleteMapping("/{documentId}")
     @ResponseStatus(HttpStatus.NO_CONTENT)
+    @Transactional
     fun deleteDocument(
         @PathVariable propertyId: UUID,
         @PathVariable guestId: UUID,