disable formatting rules for eslint and add prettier in lint-staged (#2355)

* disable formatting rules for eslint and add prettier in lint-staged

* update npm modules

* set plugin-proposal-private-methods to loose

* update snapshots due to popover package update

* add missing quotes

Co-authored-by: bkmartinjr <bruce@chanzuckerberg.com>

client/package.json

@@ -143,7 +143,6 @@
     "eslint-plugin-import": "^2.22.0",
     "eslint-plugin-jest": "^24.3.5",
     "eslint-plugin-jsx-a11y": "^6.3.1",
-    "eslint-plugin-prettier": "^3.4.0",
     "eslint-plugin-react": "^7.23.2",
     "eslint-plugin-react-hooks": "^4.0.8",
     "expect-puppeteer": "^5.0.0",
@@ -216,6 +215,12 @@
               "loose": true
             }
           ],
+          [
+            "@babel/plugin-proposal-private-methods",
+            {
+              "loose": true
+            }
+          ],
           "@babel/plugin-proposal-export-namespace-from",
           "@babel/plugin-transform-react-constant-elements",
           "@babel/plugin-transform-runtime",