files: append data on closing even with FILE_NOSTORE

Ticket: 7577

When HTTP1 post multipart handles a small file, it will call
HTPFileClose with some data
This data needs to be appended to the streaming buffer for usage
by file.data keyword even if we do not end up storing the file

src/util-file.c

@@ -1019,11 +1019,10 @@ int FileCloseFilePtr(File *ff, const StreamingBufferConfig *sbcfg, const uint8_t
                 SCLogDebug("file %p data %p data_len %u", ff, data, data_len);
                 SCSha256Update(ff->sha256_ctx, data, data_len);
             }
-        } else {
-            if (AppendData(sbcfg, ff, data, data_len) != 0) {
-                ff->state = FILE_STATE_ERROR;
-                SCReturnInt(-1);
-            }
+        }
+        if (AppendData(sbcfg, ff, data, data_len) != 0) {
+            ff->state = FILE_STATE_ERROR;
+            SCReturnInt(-1);
         }
     }