Downgrade to Angular 19

Multiple packages are not officially compatible yet

src/Vegasco-Web/package.json

@@ -12,21 +12,21 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/common": "^20.0.3",
-    "@angular/compiler": "^20.0.3",
-    "@angular/core": "^20.0.3",
-    "@angular/forms": "^20.0.3",
-    "@angular/platform-browser": "^20.0.3",
-    "@angular/router": "^20.0.3",
+    "@angular/common": "^19.2.14",
+    "@angular/compiler": "^19.2.14",
+    "@angular/core": "^19.2.14",
+    "@angular/forms": "^19.2.14",
+    "@angular/platform-browser": "^19.2.14",
+    "@angular/router": "^19.2.14",
     "keycloak-angular": "^19.0.2",
     "rxjs": "~7.8.2",
     "tslib": "^2.8.1",
     "zone.js": "~0.15.1"
   },
   "devDependencies": {
-    "@angular/build": "^20.0.2",
-    "@angular/cli": "^20.0.2",
-    "@angular/compiler-cli": "^20.0.3",
+    "@angular/build": "^19.2.15",
+    "@angular/cli": "^19.2.15",
+    "@angular/compiler-cli": "^19.2.14",
     "@types/jasmine": "~5.1.8",
     "jasmine-core": "~5.7.1",
     "karma": "~6.4.4",