[UX] Rename file to match import path (#5350)

* rename file to match import path

* add dashboard build in ci

Author: DanielZhangQD

.github/workflows/dashboard.yml

@@ -23,3 +23,4 @@ jobs:
         npm --prefix sky/dashboard install
         npm --prefix sky/dashboard run lint
         npm --prefix sky/dashboard run format:check
+        npm --prefix sky/dashboard run build