Issue #2919373 by tedbow, Wim Leers, Adita, webchick, Berdir, drpal, xjm, samuel.mortenson, bircher: Prevent Settings Tray functionality for blocks that have configuration overrides

(cherry picked from commit 4e66ea20)

Issue #2784443 by tedbow, Wim Leers, Cottser, tim.plunkett, droplet, drpal, nod_, lauriii: Move off-canvas functionality from Settings tray module into drupal.dialog.ajax library so that other modules can use it

Issue #2902191 by tedbow, vaplas, xjm, droplet, drpal: Determine cause and fix random fail in \Drupal\Tests\settings_tray\FunctionalJavascript\SettingsTrayBlockFormTest::testBlocks

Issue #2803375 by cilefen, tedbow, saurabh-chugh, Wim Leers: Rename Outside-in module to "Settings Tray" for real

Issue #2904134 by Wim Leers, tedbow: Settings Tray uses the off-canvas dialog type, but "off_canvas" is not an accurate form plugin name, "settings_tray" is

Issue #2782891 by tedbow, Wim Leers, pk188, tim.plunkett, Adita, RajeevK, xjm, webchick: The Page Title block's title behaves in a confusing way with Settings Tray and the Help block incorrectly has Settings Tray styling

Issue #2785047 by tedbow, effulgentsia, Jo Fitzgerald, webchick, Wim Leers, tkoleary, tim.plunkett, timmillwood, drpal, rootwork: In Outside In mode, form validation messages should appear in the off-canvas tray, not the main page

Issue #2872104 by Wim Leers, michielnugter, tedbow: Resolve @todo in \Drupal\Tests\outside_in\FunctionalJavascript\OutsideInBlockFormTest

Issue #2883483 by tedbow, Wim Leers: Assert that calls to waitForElementVisible() actually return element in OutsideIn javascript tests

Issue #2882729 by tedbow, tim.plunkett, Bojhan: In off-canvas block form hide Title input unless it will be displayed and change label to Block Title

Issue #2784881 by tedbow, bnjmnm, RajeevK: Update Outside-In Javascript based tests to test against all core themes

Issue #2862625 by Maxfire, tedbow, gaurav.kapoor, drpal, lauriii: Rename offcanvas to two words in code and comments.

Issue #2870146 by droplet, Lendude, michielnugter: Even more random fails in \Drupal\Tests\outside_in\FunctionalJavascript\OutsideInBlockFormTest

Issue #2786193 by tedbow, gaurav.kapoor, fabian.marz, tkoleary, Bojhan, tim.plunkett, larowlan: Differentiate 2 "Quick edit" links for custom blocks

Issue #2784567 by tedbow, 20th, dmsmidt, miteshmap, dbjpanda, bendev, crasx, tkoleary: List "Quick edit" before "Configure" in contextual links while in Edit mode

Issue #2847664 by tedbow, drpal, ifrik, lauriii: Edit mode behaves differently if entered in by clicking "quick edit" vs toolbar

Issue #2848177 by michielnugter, tedbow: More \Drupal\Tests\outside_in\FunctionalJavascript\OutsideInBlockFormTest random fails

Issue #2815831 by tedbow, drpal, droplet: Move Off-canvas related CSS from drupal.outside_in library to drupal.off_canvas

Issue #2782915 by tedbow, droplet, nickgs, drpal, xjm, tkoleary, cashwilliams, tim.plunkett, alexpott, phenaproxima, nod_: Standardize the behavior of links when Outside In editing mode is enabled

Issue #2784571 by tedbow, drpal, nod_, naveenvalecha, miteshmap, droplet, Everett Zufelt: Outside-in Accessibility: Allow escape from edit mode with ESC key

Issue #2830485 by michielnugter, klausi, tedbow, xjm, catch, tim.plunkett, dawehner, alexpott, Wim Leers, Lendude: \Drupal\Tests\outside_in\FunctionalJavascript\OutsideInBlockFormTest fails randomly

Issue #2830485 by klausi, catch, michielnugter: \Drupal\Tests\outside_in\FunctionalJavascript\OutsideInBlockFormTest fails randomly

Issue #2830485 by klausi, michielnugter: \Drupal\Tests\outside_in\FunctionalJavascript\OutsideInBlockFormTest fails randomly

Issue #2821263 by tedbow: If a toolbar item besides the admin menu is open when going into edit mode it is not closed

Issue #2785589 by tedbow, nod_, droplet, drpal, alexpott, Wim Leers, xjm: Fix js and jsdoc of outside-in module

This reverts commit fdc09d31.

Issue #2786459 by tedbow, nod_, martin107, tkoleary, droplet, drpal: "Offcanvas" tray should be using the existing dialog system

Issue #2753941 by tedbow, tim.plunkett, tkoleary, SKAUGHT, drpal, effulgentsia, andrewmacpherson, webchick, xjm, Bojhan, Gábor Hojtsy, Wim Leers, catch, nod_: [Experimental] Create Outside In module MVP to provide block configuration in Off-Canvas tray and expand site edit mode