Gas cost for multi ESDT/NFT transfer

[iulianpascalau]

Description of the reasoning behind the pull request

• There was a backward compatibility issue caused by the reversed calling order of the GasScheduleChange and EpochConfirmed methods

Proposed Changes

• add a new gas schedule with the missing setting
• removed the code related to flags from the GasScheduleChange as that will raise issues

Testing procedure

• standard internal testnet
• a specific test that proves the gas cost is now changed
• import-db testing

[codecov-commenter]

Codecov Report

Base: 70.71% // Head: 70.71% // Increases project coverage by +0.00% :tada:

Coverage data is based on head (4097fc8) compared to base (62976b5). Patch has no changes to coverable lines.

:exclamation: Current head 4097fc8 differs from pull request most recent head 8c03bf1. Consider uploading reports for the commit 8c03bf1 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           rc/v1.4.0    #4609   +/-   ##
==========================================
  Coverage      70.71%   70.71%           
==========================================
  Files            623      623           
  Lines          83059    83056    -3     
==========================================
- Hits           58733    58732    -1     
+ Misses         19919    19918    -1     
+ Partials        4407     4406    -1     

Impacted Files	Coverage Δ
process/smartContract/process.go	65.89% <ø> (-0.07%)	:arrow_down:
common/pidQueue.go	96.66% <0.00%> (+3.33%)	:arrow_up:

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