fix: 🐛 Update ohif pdf extension to optionally use pdfjs (#1162)

* fix: 🐛 Update ohif pdf extension to optionally use pdfjs

Update ohif pdf extension of optionally use pdfjs

Closes: #1049

* Update branch and fix scrolling

* Dynamically import component

* Fix wrong file change

* Fix import

* Add multi opened pdf configuration

* Refactor connected component

* Specify worker explicitly

* Specify worker explicitly

* CR Update: Remove dead code

* CR Update: Refactor state

* CR Update: use refs

* CR Update: use refs

yarn.lock

@@ -13296,6 +13296,11 @@ node-dir@^0.1.10:
   dependencies:
     minimatch "^3.0.2"
 
+node-ensure@^0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/node-ensure/-/node-ensure-0.0.0.tgz#ecae764150de99861ec5c810fd5d096b183932a7"
+  integrity sha1-7K52QVDemYYexcgQ/V0Jaxg5Mqc=
+
 node-fetch-npm@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/node-fetch-npm/-/node-fetch-npm-2.0.2.tgz#7258c9046182dca345b4208eda918daf33697ff7"
@@ -14423,6 +14428,14 @@ pbkdf2@^3.0.3:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
+pdfjs-dist@^2.2.228:
+  version "2.2.228"
+  resolved "https://registry.yarnpkg.com/pdfjs-dist/-/pdfjs-dist-2.2.228.tgz#777b068a0a16c96418433303807c183058b47aaa"
+  integrity sha512-W5LhYPMS2UKX0ELIa4u+CFCMoox5qQNQElt0bAK2mwz1V8jZL0rvLao+0tBujce84PK6PvWG36Nwr7agCCWFGQ==
+  dependencies:
+    node-ensure "^0.0.0"
+    worker-loader "^2.0.0"
+
 pend@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"