Replace all internal uses of utilities with new packages

Signed-off-by: Sebastian Malton <sebastian@malton.name>

packages/core/package.json

@@ -330,6 +330,8 @@
   },
   "peerDependencies": {
     "@k8slens/application": "^6.5.0-alpha.0",
+    "@k8slens/test-utils": "^1.0.0",
+    "@k8slens/utilities": "^1.0.0",
     "@types/byline": "^4.2.33",
     "@types/chart.js": "^2.9.36",
     "@types/color": "^3.0.3",