TinyMCE editor does not appear in Chrome on Android

Screenshot from Android tablet

Patch for "master" branch: https://reviews.mahara.org/10540

Patchset 7: deployed to my Mahara environment (i.e. NOT master.dev)
OS/Browser: tablet running Android 5.1.1 and latest Chrome
      Also checked on the iPad Air 2 running latest iOS and Chrome
Theme: Raw

Preconditions:
The Site/Institution Administrator has left both the HTML editor and Device detection options in the Person's Profile Settings --> Preferences at their 'On' default values.

Test steps:

1. Person is logged in and selects 'User menu' > 'Profile', the person's Profile > 'About me' tab is displayed. ✔
2. Person scrolls down and selects to enter some content in the 'Introduction', the content is displayed in the 'Introduction'. ✔
3. Person selects the 'Save profile', the Introduction content has been saved. ✔
4. Person clicks the 'Mahara logo' then 'Create', then 'Add' and then 'Page', the page Settings screen is displayed with Basics tab open. ✔
5. Person selects to enter some content in the 'Page description', the content is displayed in the 'Page description'. ✔
6. Person selects the 'Save', the 'Page saved successfully' message is displayed. ✔
7. Person selects 'Display page', the 'Page description' content is displayed correctly. ✔

Reviewed: https://reviews.mahara.org/10540
Committed: https://git.mahara.org/mahara/mahara/commit/11c2e411167bb2099b5afabedf185d8434111dfd
Submitter: Cecilia Vela Gurovic (<email address hidden>)
Branch: master

commit 11c2e411167bb2099b5afabedf185d8434111dfd
Author: Rebecca Blundell <email address hidden>
Date: Thu Oct 31 12:14:36 2019 +1300

Bug 1850578: Add Tinymce mobile theme

This is required for the editor to show on Android devices

Also hid the image button in the mobile theme as it can't be configured to connect
to our imagebrowser. Tinymce doesn't currently support custom
plugins for the mobile theme. If this changes in future, we
could look at putting it back.

Change-Id: I41f45ffaad1e20b712f59eac7d7e92f00915f394

Patch for "19.10_STABLE" branch: https://reviews.mahara.org/10737

Reviewed: https://reviews.mahara.org/10737
Committed: https://git.mahara.org/mahara/mahara/commit/8e3006a65a2605a534c0081e7ba3ca10b59e8089
Submitter: Cecilia Vela Gurovic (<email address hidden>)
Branch: 19.10_STABLE

commit 8e3006a65a2605a534c0081e7ba3ca10b59e8089
Author: Rebecca Blundell <email address hidden>
Date: Thu Oct 31 12:14:36 2019 +1300

Bug 1850578: Add Tinymce mobile theme

This is required for the editor to show on Android devices

Also hid the image button in the mobile theme as it can't be configured to connect
to our imagebrowser. Tinymce doesn't currently support custom
plugins for the mobile theme. If this changes in future, we
could look at putting it back.

Change-Id: I41f45ffaad1e20b712f59eac7d7e92f00915f394
(cherry picked from commit 11c2e411167bb2099b5afabedf185d8434111dfd)