Fix for max blobbers upto 40

[pewssh]

Changes

Fixes

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:
• 0chain:
• system_test:
• zboxcli:
• zwalletcli:
• Other: ...

[dabasov]

why should we limit the amount of blobbers? most of the time we need to provide to allocation more blobbers than parity+data to eliminate the race condition

[Jayashsatolia403]

We need to change the way we are dealing with limit. Currently we are striclty passing 20 limit. We need to get more by setting offset if less than requirement is returned.

[Jayashsatolia403]

We need to change the way we are dealing with limit. Currently we are striclty passing 20 limit. We need to get more by setting offset if less than requirement is returned.

[service-0chain]

Manual system tests [failure] with the following config

config	value
tests skipped	false
system-tests
gosdk	Fix/max_blobbers_newallocation
zboxcli
zwalletcli
0chain
blobber
authorizer
0box
0dns