When looking up fediverse urls, verify that account results returned match the input query. (#3341)

Fixes #2804

app/src/main/java/com/keylesspalace/tusky/BottomSheetActivity.kt

@@ -86,8 +86,11 @@ abstract class BottomSheetActivity : BaseActivity() {
                     if (statuses.isNotEmpty()) {
                         viewThread(statuses[0].id, statuses[0].url)
                         return@subscribe
-                    } else if (accounts.isNotEmpty()) {
-                        viewAccount(accounts[0].id)
+                    }
+                    accounts.firstOrNull { it.url == url }?.let { account ->
+                        // Some servers return (unrelated) accounts for url searches (#2804)
+                        // Verify that the account's url matches the query
+                        viewAccount(account.id)
                         return@subscribe
                     }