Changed networkd id dynamically in response object for Create Resource Data Operation

Changed networkd id dynamically in response object for Create Resource Data Operation

- in cps-charts, added second dmi-stub
- in order to demo for two dmi-stub instances in kubernetes cluster,
  Create Resource Data Operation should return a composite network id of:
    dmiAddress + cmHandleId in response
- added env. variable name to change dmi-stub server port for the second
  instance

Issue-ID: CPS-2934

Change-Id: Iaf20d8e9a8a2c0245219004baf16bad787b0a356
Signed-off-by: halil.cakal <halil.cakal@est.tech>