make Using Stamp show up in Recent tab

... just a "modified" update
2019-07-04 07:50:47 +02:00 · 2019-07-04 07:50:47 +02:00 · f978355ea4
commit f978355ea4
--- a/editions/tw5.com/tiddlers/howtos/Using
+++ b/editions/tw5.com/tiddlers/howtos/Using
@ -1,5 +1,5 @@
 created: 20160618090057124
-modified: 20160618090130833
+modified: 20190704054958185
 tags: [[Editor toolbar]]
 title: Using Stamp
 type: text/vnd.tiddlywiki