ssb: Fix some SQL syntax for private messages. They need more work.

apps/ssb.json

@@ -1,5 +1,5 @@
 {
 	"type": "tildefriends-app",
 	"emoji": "🦀",
-	"previous": "&Ph3a53rRidBNfYsfAtQKydoizUBCyh1Xl4I8XlzcQnk=.sha256"
+	"previous": "&m5ZrkzoyAjv7AY6AukzVoWIyUFUL97uuDDWCtxCloAU=.sha256"
 }

apps/ssb/tf-tab-news-feed.js

@@ -150,9 +150,9 @@ class TfTabNewsFeedElement extends LitElement {
 					FROM messages
 					JOIN json_each(?1) AS following ON messages.author = following.value
 					WHERE
-							(?2 IS NULL OR (messages.timestamp >= ?2) AND messages.timestamp < ?3 AND
+						(?2 IS NULL OR (messages.timestamp >= ?2)) AND messages.timestamp < ?3 AND
 						json(messages.content) LIKE '"%'
-						ORDER BY sequence DESC LIMIT 20
+					ORDER BY messages.sequence DESC LIMIT 20
 				`,
 				[JSON.stringify(this.following), start_time, end_time]
 			);