Issue #2957425 by tedbow, johndevman, tim.plunkett, hawkeye.twolf, Berdir, alexpott, samuel.mortenson, kevincrafts, jibran, larowlan, amateescu, twfahey, sjerdo, mtodor, japerry, xjm, phenaproxima, mglaman, EclipseGc, johnzzon: Allow the inline creation of non-reusable Custom Blocks in the layout builder

(cherry picked from commit 500403b4)

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

Issue #2901626 by tedbow, vaplas: CSS animations cause \Drupal\Tests\outside_in\FunctionalJavascript\OutsideInBlockFormTest random fails

(cherry picked from commit b3cd6eed)

Issue #2897320 by Wim Leers, tedbow, xjm, andrewmacpherson, Cottser, DyanneNova: Settings Tray causes the "pointer" cursor to be used both when hovering over inaccessible links (should use "default" cursor) and when in input[type=text] (should use "text" cursor)

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