…ll posts and pages.

…draft and previews)

* Use query var in permalinks containing query vars, instead of endpoint slug.
* Remove needless and unslightly 1 value.
* Add tests.

…nslatable tooltip strings.

… control UI.

…availability.

…enable AMP toggle if users selects mobile device.

…hin Customizer.

* Include more Customizer preview logic from manager in AMP preview
* Ensure scripts and styles are enqueued when preview opened for controls app; this ensures AMP validation can pass when using frontend preview link.
* Restore previous add_preview_scripts method.
* Include more logic behind
* Add PHP doc.
* Improve WPCS adherence.
* Skip outputting Customizer preview JS if user cannot customize.
* Use wp_print_footer_scripts()` instead of doing wp_footer.

Fix obsolete method references and improve placement of add_action() calls

… prevent fallback refreshes

…eview

* Ensure that AMP Customizer preview JS is loaded in AMP and non-AMP mode so that the amp-status can be sent in each case.
* Enable AMP when clicking toggle and navigating to an AMPed post.
* Ensure password-protected posts are no returned by amp_admin_get_preview_permalink()
* Add screen-reader-text CSS rule to AMP styles.
* Move JS template vars into PHP-rendered template to simplify.

Also use AMP_QUERY_VAR instaed of hard-coded 'amp' in amp_admin_get_preview_permalink()

…eature/796-amp-customizer

… unavailable URL

* Remove linebreak from tooltip for alignment with autosave restore notification; tweak copy.
* Move functions from inside panel ready callback to component.
* Improve styling in AMP when unloading page.

…compatible URL

Improve styling of link in tooltip to improve color contrast