mgr/dashboard: Local storage class creation via dashboard doesn't handle creation...

mgr/dashboard: Local storage class creation via dashboard doesn't handle creation of pool.

Fixes: https://tracker.ceph.com/issues/72569
Signed-off-by: Dnyaneshwari <dtalweka@redhat.com>
mgr/dashboard: handle creation of new pool

Commit includes:
1) Provide link to create a new pool
2) Refactored validation on ACL mapping, removed required validator as default
3) fixed runtime error on console due to ACL length due to which the details section was not opening
4) Used rxjs operators to make API calls and making form ready once all data is available, fixing the form patch issues
5) Refactored some part of code to improve the performance
6) Added zone and pool information in details section for local storage class

Fixes: https://tracker.ceph.com/issues/72569
Signed-off-by: Naman Munet <naman.munet@ibm.com>