v2.57.0

• chore(release): 2.57.0 (c6bdc5f)
• feat(controls): Add react versions of core control components (#1282) (d00879d), closes #1282
• feat(controls): Add react versions of existing control icons (#1280) (43fe1d5), closes #1280
• feat(controls): Add react versions of fullscreen and zoom controls (#1283) (443746e), closes #1283
• feat(controls): Add react versions of text viewer controls (#1284) (3d9ef91), closes #1284
• feat(discoverability): Add instrumentation for annotation creation (#1275) (480a90d), closes #1275
• feat(react): Upgrade react and react-dom to ^16.9.0 (#1278) (0cbc74d), closes #1278
• fix(annotations): Select newly created annotation (#1276) (7f11114), closes #1276
• fix(office): Allow download of files via embedded links in Chrome (#1277) (281b9ab), closes #1277
• fix(pdf): Revert pdf.js to v2.2.228 due to font rendering issue (#1274) (741da26), closes #1274