fix: link feed usernames

tests/test_linkified_users_1428.nim

@@ -0,0 +1,30 @@
+import options, strutils, unittest
+import karax/vdom
+
+import ../src/types
+import ../src/views/[search, tweet]
+
+suite "linkified feed users":
+  test "multi-feed header links each username":
+    let timeline = Timeline(query: Query(kind: tweets, fromUser: @["alice", "bob"]))
+
+    let html = $renderTweetSearch(timeline, Prefs(), "")
+
+    check "href=\"/alice\"" in html
+    check "href=\"/bob\"" in html
+
+  test "retweet header links the retweeter":
+    let original = Tweet(
+      available: true,
+      user: User(username: "author", fullname: "Author")
+    )
+    let repost = Tweet(
+      available: true,
+      user: User(username: "booster", fullname: "Booster"),
+      retweet: some(original)
+    )
+
+    let html = $renderTweet(repost, Prefs(), "")
+
+    check "href=\"/booster\"" in html
+    check "Booster retweeted" in html