This seems to fix losing sizes when attaching files.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4327 ed5197a5-7fde-0310-b194-c3ffbd925b24

apps/ssb/tf-compose.js

@@ -154,6 +154,7 @@ class TfComposeElement extends LitElement {
 				size: buffer.length ?? buffer.byteLength,
 			};
 			let edit = self.renderRoot.getElementById('edit');
+			self.notify(draft);
 			edit.value += `\n![${name}](${id})`;
 			self.change();
 			self.input();