Added "Create Page" button to no results view when offline

[yaelirub]

Fixes #12049

To test:

1. Be offline
2. Go to Pages
3. See the no results view with "Create Page" button
4. tap create page
5. Enter title / Content
6. Exit the editor with "Save Draft"
7. See that draft page was created and a notice that it wasn't uploaded

Update release notes:

• If there are user facing changes, I have added an item to RELEASE-NOTES.txt.

[rachelmcr]

@yaelirub I took a look at the failing UI test and confirmed the failure was unrelated to your change. Running the tests locally and re-running them on CI both passed. I'll take a look at that flakiness and see if I can fix it in a followup PR.

[diegoreymendez]

Works as described!