fix JamiMessenger routes

Change-Id: I9607ef866474f9eeb724d8753fe76fac55512366
diff --git a/client/src/App.tsx b/client/src/App.tsx
index 0893dbd..595fd70 100644
--- a/client/src/App.tsx
+++ b/client/src/App.tsx
@@ -66,6 +66,7 @@
         <Route path="/account">
           <Route index element={<AccountSelection />} />
           <Route path=":accountId">
+            <Route index element={<JamiMessenger />} />
             <Route path="*" element={<JamiMessenger />} />
             <Route path="settings" element={<AccountSettings />} />
           </Route>