Chore: Adding yarn install before common package.json scripts (#682)

This helps make sure development environment is up to date.

package.json

@@ -101,8 +101,8 @@
     "ci": "yarn run clean && yarn run build-rb && yarn run lint && yarn run test && yarn run build-ci",
     "clean": "rm -rf dist && rm -rf reports/coverage && rm -rf src/i18n/json",
     "commitmsg": "commitlint -e",
-    "debug": "NODE_ENV=test ./node_modules/.bin/karma start build/karma.conf.js --no-single-run --auto-watch",
-    "dev": "BABEL_ENV=dev NODE_ENV=dev ./node_modules/.bin/webpack --progress --colors --config build/webpack.config.js",
+    "debug": "yarn install && NODE_ENV=test ./node_modules/.bin/karma start build/karma.conf.js --no-single-run --auto-watch",
+    "dev": "yarn install && BABEL_ENV=dev NODE_ENV=dev ./node_modules/.bin/webpack --progress --colors --config build/webpack.config.js",
     "functional-tests": "python -m SimpleHTTPServer 8000 & node ./node_modules/codeceptjs/bin/codecept.js run --verbose ; killall python -m SimpleHTTPServer 8000",
     "functional-tests-ci": "yarn run clean && yarn run build-rb && yarn run build-ci && node ./node_modules/codeceptjs/bin/codecept.js run --verbose --grep @ci",
     "lint": "NODE_ENV=dev ./node_modules/.bin/eslint src/lib && ./node_modules/.bin/stylelint 'src/lib/**/*.scss'",
@@ -111,10 +111,10 @@
     "prettier": "prettier-eslint \"src/lib/**/*.js\" --print-width 120 --single-quote --tab-width 4 --write",
     "prod": "yarn run build-rb && BABEL_ENV=production NODE_ENV=production node --max_old_space_size=4096 ./node_modules/webpack/bin/webpack.js --progress --colors --config build/webpack.config.js",
     "release": "yarn run clean && yarn run build-rb && yarn run lint && yarn run test && yarn run prod",
-    "test": "NODE_ENV=test node --max_old_space_size=4096 ./node_modules/.bin/karma start build/karma.conf.js",
+    "test": "yarn install && NODE_ENV=test node --max_old_space_size=4096 ./node_modules/.bin/karma start build/karma.conf.js",
     "upgrade-pdfjs": "./build/upgrade_pdfjs.sh && ./build/minify_pdfjs.sh",
     "upgrade-annotations": "./build/upgrade_annotations.sh",
-    "watch": "BABEL_ENV=dev NODE_ENV=dev ./node_modules/.bin/webpack --watch --progress --colors --config build/webpack.config.js",
+    "watch": "yarn install && BABEL_ENV=dev NODE_ENV=dev ./node_modules/.bin/webpack --watch --progress --colors --config build/webpack.config.js",
     "major": "./build/release.sh -m",
     "minor": "./build/release.sh -n",
     "patch": "./build/release.sh -p"