app: Fix login cookie expiration format

app/src/infra/cookies.rs

@@ -23,10 +23,13 @@ pub fn set_cookie(cookie_name: &str, value: &str, expiration: &DateTime<Utc>) ->
             d.dyn_into::<web_sys::HtmlDocument>()
                 .map_err(|_| anyhow!("Document is not an HTMLDocument"))
         })?;
-    doc.set_cookie(&format!(
+    let cookie_string = format!(
-        "{}={};expires={};sameSite=Strict",
+        "{}={}; expires={}; sameSite=Strict; path=/",
-        cookie_name, value, expiration
+        cookie_name,
-    ))
+        value,
+        expiration.to_rfc2822()
+    );
+    doc.set_cookie(&cookie_string)
         .map_err(|_| anyhow!("Could not set cookie"))
 }