Update Tesseract.js (#14708)

* [WiP] Update Tesseract.js

- Update Tesseract.js to 2.2.1
- Use versioned file names
- differentiate two progression states: preparing OCR and detecting picture

* Get rid of copy-webpack-plugin

config/webpack/rules/node_modules.js

@@ -4,7 +4,10 @@ const { settings, env } = require('../configuration');
 module.exports = {
   test: /\.(js|mjs)$/,
   include: /node_modules/,
-  exclude: /@babel(?:\/|\\{1,2})runtime/,
+  exclude: [
+    /@babel(?:\/|\\{1,2})runtime/,
+    /tesseract.js/,
+  ],
   use: [
     {
       loader: 'babel-loader',