* fix(ux): make `basic_rate` field read-only based on purpose
(cherry picked from commit abc7d3002467946984be5b41d79024da92047dd3)
* fix(ux): make PR `rate` field read-only having PO ref
(cherry picked from commit ae294ee4702fa8e0367c07c881d632811beb67ae)
* fix(ux): make PI `rate` field read-only having PR ref
(cherry picked from commit 3d4156cc7d90522f37f4c91e4ccf4145412109a9)
---------
Co-authored-by: s-aga-r <sagarsharma.s312@gmail.com>