MERGING RELEASE branches (#59)

* Update package.json

* Update package.json

* OP-968 make policy holder field mandatory (#45)

* OP-968: make policy holder field mandatory

* OP-968: simplify the code

* Revert "OP-968 make policy holder field mandatory (#45)"

This reverts commit 9b9a520.

* OTC-909: allow policy holder to be null

* OP-1084: Pagination fix in contract module

* OP-869: Changed spelling of openIMIS. (#50)

* OTC-966: make save button always visible (#52)

* OTC-757: Clearing pagination state if entered the ContractsPage (#51)

* OTC-757: Code refactor in ContractsPage

* OTC-757: Clearing pagination state if entered the ContractsPage

* OTC-757: Hardcoded values moved to the constants

* OTC-963: Validation of contract code (#49)

* OTC-963: Code refactor in actions.js and reducer.js

* OTC-963: Code refactor in ContractHeadPanel.js

* OTC-963: Initial validation of contract code

* OTC-963: Implementation of contract query

* OTC-963: Removal of console log

* OTC-963: Change of contract type in reducer.js

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Co-authored-by: Jan <jdolkowski@soldevelo.com>
Co-authored-by: Damian Borowiecki <dborowiecki7@gmail.com>
Co-authored-by: olewandowski1 <109145288+olewandowski1@users.noreply.github.com>
Co-authored-by: olewandowski <olewandowski@soldevelo.com>
Co-authored-by: wzglinieckisoldevelo <98958634+wzglinieckisoldevelo@users.noreply.github.com>
Co-authored-by: Dragos DOBRE <dragos.dobre@swisstph.ch>