Ignore Expiration field during create_new_allocation

[sunilmhta]

Fixes

#2531

Changes

Ignoring the Expiration value provided in the request during create_new_allocation and hardcoding it with the TimeUnit value from the configuations.

Need to be mentioned in CHANGELOG.md?

Tests

Tasks to complete before merging PR:

• Ensure system tests are passing. If not Run them manually to check for any regressions 📋
• Do any new system tests need added to test this change? do any existing system tests need updated? If so create a PR at 0chain/system_test
• Merge your system tests PR to master AFTER merging this PR

Associated PRs (Link as appropriate):

• blobber:
• gosdk:
• system_test:
• zboxcli:
• zwalletcli:
• Other: ...

[dabasov]

lgtm

[service-0chain]

Manual system tests [failure] with the following config

config	value
tests skipped	false
system-tests	sprint-june-5
gosdk	staging
zboxcli	staging
zwalletcli	staging
0chain	users/sunilmhta/fix/2531
blobber	staging
authorizer	staging
0box	staging
0dns	staging

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (sprint-june-5@ab6bc04). Click here to learn what that means.
The diff coverage is n/a.

❗ Your organization is not using the GitHub App Integration. As a result you may experience degraded service beginning May 15th. Please install the Github App Integration for your organization. Read more.

@@               Coverage Diff                @@
##             sprint-june-5    #2553   +/-   ##
================================================
  Coverage                 ?   28.77%           
================================================
  Files                    ?      380           
  Lines                    ?    64037           
  Branches                 ?        0           
================================================
  Hits                     ?    18428           
  Misses                   ?    43426           
  Partials                 ?     2183           

Flag	Coverage Δ
Unit-Tests	28.77% <0.00%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

[service-0chain]

Manual system tests [cancelled] with the following config

config	value
tests skipped	false
system-tests	sprint-june-5
gosdk	staging
zboxcli	staging
zwalletcli	staging
0chain	users/sunilmhta/fix/2531
blobber	staging
authorizer	staging
0box	staging
0dns	staging

[service-0chain]

Manual system tests [success] with the following config

config	value
tests skipped	false
system-tests	sprint-june-5
gosdk	staging
zboxcli	staging
zwalletcli	staging
0chain	users/sunilmhta/fix/2531
blobber	staging
authorizer	staging
0box	staging
0dns	staging