fix: WIP toggle by reducing max issue title

- when the PR title has the maximum length, the WIP toggle switch does nothing
- work around this by slightly reducing the max input size (- 10 characters for eventually long prefixes)
- test WIP toggling edge case in playwright

fix(e2e): increase timeouts

A look at recent runs suggests they should be increased globally. The timeouts in the config file have no timeout by default.

playwright.config.js

@@ -46,10 +46,10 @@ export default {
     locale: 'en-US',
 
     /* Maximum time each action such as `click()` can take. Defaults to 0 (no limit). */
-    actionTimeout: 1000,
+    actionTimeout: 2000,
 
     /* Maximum time allowed for navigation, such as `page.goto()`. */
-    navigationTimeout: 5 * 1000,
+    navigationTimeout: 10 * 1000,
 
     /* Base URL to use in actions like `await page.goto('/')`. */
     baseURL: BASE_URL,