UI update with sidebar and settings tabs (#3288)

Co-authored-by: Nahiyan Khan <nahiyan@squareup.com>
Co-authored-by: Taylor Ho <taylorkmho@gmail.com>
Co-authored-by: Lily Delalande <119957291+lily-de@users.noreply.github.com>
Co-authored-by: Spence <spencrmartin@gmail.com>
Co-authored-by: spencrmartin <spencermartin@squareup.com>
Co-authored-by: Judson Stephenson <Jud@users.noreply.github.com>
Co-authored-by: Max Novich <mnovich@squareup.com>
Co-authored-by: Best Codes <106822363+The-Best-Codes@users.noreply.github.com>
Co-authored-by: caroline-a-mckenzie <cmckenzie@squareup.com>
Co-authored-by: Michael Neale <michael.neale@gmail.com>

ui/desktop/src/sessions.ts

@@ -76,7 +76,7 @@ export async function fetchSessions(): Promise<Session[]> {
       const sessions = response.data.sessions
         .filter(
           (sessionInfo: SessionInfo) =>
-            sessionInfo.metadata && sessionInfo.metadata.description !== ''
+            sessionInfo.metadata && sessionInfo.metadata.message_count > 0
         )
         .map(
           (sessionInfo: SessionInfo): Session => ({