Issue #2981652 by ApacheEx, corbacho, drpal, dawehner, xjm, alexpott, lauriii: Format core JavaScript using recently add Prettier

(cherry picked from commit e742590e)

Issue #2548195 by nod_, JohnAlbin, madhavvyas, sriharsha.uppuluri: Only use single quotes in JavaScript and update .eslintrc

Issue #2559955 by Wim Leers, swentel, mdrummond: Ensure that Quick Edit relies less on the structure of the HTML

Issue #2559877 by alexpott, chx, swentel, davidhernandez, dawehner, subhojit777: Quick editing a body field on Standard does not work

Issue #2214241 by mortendk, mdrummond, lauriii, galooph, ShaunDychko, jjcarrion, b0unty, joelpittet, scor, amitgoyal, aboros, Manuel Garcia, hkirsman, BLadwin, hussainweb, sushilkr, emma.maria, nlisgo, yched, LewisNyman, davidhernandez, mikl, camoa, dman, dodorama: Field default markup - removing the divitis

Issue #1533366 by nod_, valthebald, Jelle_S, Wim Leers: Simplify and optimize Drupal.ajax() instantiation and implementation

Issue #2154475 by tarekdj, neelam.chaudhary, droplet, nod_, lanchez, Poornima3, jamin_melville: Convert position selectors to be compatible with with jQuery native-API selector

Issue #2350021 by Wim Leers | svenryen: Fixed After entering Quick Edit and then closing (no save), image align is lost from image.

Issue #2313757 by Berdir, Wim Leers, dawehner: Remove text_processing option from text fields, expose existing string field types as plain text in UI.

Issue #1913510 by erich_s, jibran, scresante, nod_, mitron: Core Javascript Files Not Using Standard Indentation.

Issue #2161763 by Wim Leers, sun: Remove unnecessary drupalSettings.editor.getUntransformedTextURL setting.

Issue #2141055 by Wim Leers: When multiple instances of the same entity on one page, only the first can be edited.

Issue #1678002 by jessebeach, Wim Leers, Gábor Hojtsy: Edit should provide a usable entity-level toolbar for saving fields.