dotnet new template - Escape JSON special characters for password & connection string (#10467)

* Fix sourceName to match UmbracoProject and use a generated symbol to replace the Umbraco.Cms.Web.UI.NetCore in Program and Startup files

* Update template.json

* Run `npm update caniuse-lite`

* Regex replacement for Password & Connection strings that gets placed into AppSettings.Development.json So escaping \ and " for JSON strings

* Escaping input and handle namespace replacing. + Updated to beta004

Co-authored-by: Elitsa Marinovska <elm@umbraco.dk>
Co-authored-by: Elitsa Marinovska <21998037+elit0451@users.noreply.github.com>
Co-authored-by: Bjarke Berg <mail@bergmania.dk>

src/Umbraco.Web.UI.Client/package.json

@@ -52,8 +52,8 @@
   },
   "devDependencies": {
     "@babel/core": "7.6.4",
-    "@babel/preset-env": "7.6.3",
     "@babel/plugin-proposal-object-rest-spread": "7.13.8",
+    "@babel/preset-env": "7.6.3",
     "autoprefixer": "9.6.5",
     "caniuse-lite": "^1.0.30001237",
     "cssnano": "4.1.10",
@@ -67,6 +67,7 @@
     "gulp-eslint": "6.0.0",
     "gulp-imagemin": "7.1.0",
     "gulp-less": "4.0.1",
+    "gulp-minify": "3.1.0",
     "gulp-notify": "^3.0.0",
     "gulp-postcss": "8.0.0",
     "gulp-rename": "1.4.0",
@@ -75,12 +76,11 @@
     "gulp-watch": "5.0.1",
     "gulp-wrap": "0.15.0",
     "gulp-wrap-js": "0.4.1",
-    "gulp-minify": "3.1.0",
     "jasmine-core": "3.5.0",
     "jsdom": "16.4.0",
     "karma": "4.4.1",
-    "karma-jsdom-launcher": "^8.0.2",
     "karma-jasmine": "2.0.1",
+    "karma-jsdom-launcher": "^8.0.2",
     "karma-junit-reporter": "2.0.1",
     "karma-spec-reporter": "0.0.32",
     "less": "3.10.3",