feat(lib): upgrade to Angular 19

BREAKING CHANGE: Angular 19
- cleanups, control flow migration, scss import migration
- jest setup migration

Author: tomastrajan

angular.json

@@ -10,7 +10,7 @@
       "prefix": "ax",
       "architect": {
         "build": {
-          "builder": "@angular-devkit/build-angular:ng-packagr",
+          "builder": "@angular/build:ng-packagr",
           "options": {
             "project": "projects/elements/ng-package.json"
           },
@@ -42,12 +42,13 @@
       "prefix": "demo",
       "architect": {
         "build": {
-          "builder": "@angular-devkit/build-angular:browser",
+          "builder": "@angular/build:application",
           "options": {
             "baseHref": "/elements/",
-            "outputPath": "dist/elements-demo",
+            "outputPath": {
+              "base": "dist/elements-demo"
+            },
             "index": "projects/elements-demo/src/index.html",
-            "main": "projects/elements-demo/src/main.ts",
             "polyfills": ["zone.js"],
             "tsConfig": "projects/elements-demo/tsconfig.app.json",
             "assets": [
@@ -56,7 +57,8 @@
               "projects/elements-demo/src/manifest.webmanifest"
             ],
             "styles": ["projects/elements-demo/src/styles.scss"],
-            "scripts": []
+            "scripts": [],
+            "browser": "projects/elements-demo/src/main.ts"
           },
           "configurations": {
             "production": {
@@ -79,13 +81,10 @@
                 }
               ],
               "outputHashing": "all",
-              "serviceWorker": true,
-              "ngswConfigPath": "projects/elements-demo/ngsw-config.json"
+              "serviceWorker": "projects/elements-demo/ngsw-config.json"
             },
             "development": {
-              "buildOptimizer": false,
               "optimization": false,
-              "vendorChunk": true,
               "extractLicenses": false,
               "sourceMap": true,
               "namedChunks": true
@@ -94,7 +93,7 @@
           "defaultConfiguration": "production"
         },
         "serve": {
-          "builder": "@angular-devkit/build-angular:dev-server",
+          "builder": "@angular/build:dev-server",
           "configurations": {
             "production": {
               "buildTarget": "elements-demo:build:production"
@@ -106,7 +105,7 @@
           "defaultConfiguration": "development"
         },
         "extract-i18n": {
-          "builder": "@angular-devkit/build-angular:extract-i18n",
+          "builder": "@angular/build:extract-i18n",
           "options": {
             "buildTarget": "elements-demo:build"
           }