ssb: Oops, filter on relevant accounts.

apps/ssb/tf-app.js

@@ -168,6 +168,7 @@ class TfElement extends LitElement {
 							messages.content ->> '$.type' = 'about' AND
 							messages.content ->> '$.about' = messages.author AND
 							NOT fields.key IN ('about', 'type')) all_abouts
+					JOIN json_each(?) AS following ON all_abouts.author = following.value
 					WHERE rank = 1
 					GROUP BY all_abouts.author
 				`,