mgr/dashboard: add rollup as optional deps

 mgr/dashboard: add rollup as optional deps

    - for arm64 hitting (Use `node --trace-warnings ...` to show where the warning was created)
     NX   Cannot find module @rollup/rollup-linux-arm64-gnu. npm has a bug related to optional dependencies (https://github.com/npm/cli/issues/4828). Please try `npm i` again after removing both package-lock.json and node_modules directory.
    Pass --verbose to see the stacktrace.
    - due this this make check arm64 failing
    - added the fix as per https://github.com/vitejs/vite/discussions/15532#discussioncomment-13369584
    - its failing then  NX  Falling back to ts-node for local typescript execution. This may be a little slower.
     NX   Cannot find module '@rspack/binding-linux-arm64-gnu'
    - the above fix failed asking more deps from rollup, so added whole rollup package

    Signed-off-by: Afreen Misbah <afreen@ibm.com
Signed-off-by: Afreen Misbah <afreen@ibm.com>