fix(FN-3161): migrate roadmap dashboard surface to bundled plugin

- Move RoadmapsView UI, hooks, and tests from dashboard app into fusion-plugin-roadmap
- Replace the built-in roadmaps route/nav wiring with plugin view registration and host rendering
- Add bundled plugin view registration bootstrap in dashboard startup
- Update roadmap plugin build/test config and add FN-3161 removal changeset

Fusion-Task-Id: FN-3161

plugins/fusion-plugin-roadmap/tsconfig.json

@@ -2,8 +2,9 @@
   "extends": "../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "dist",
-    "rootDir": "src"
+    "rootDir": "src",
+    "jsx": "react-jsx"
   },
-  "include": ["src/**/*.ts"],
+  "include": ["src/**/*.ts", "src/**/*.tsx"],
   "exclude": ["src/**/*.test.ts", "src/**/__tests__/**"]
 }