feat: support latest changes to Grant data model

[vpchung]

Related Jira ticket: https://sagebionetworks.jira.com/browse/CPO-822

Changelog

• add new script: create_grant_projects.py
  • transfer functions related to creating a new project to this script

• update script: sync_grants.py

  • remove unneeded functions
  • update default manifest value (syn35242677 → syn53259587)
  • use latest Grant data model + mapping:

  Manifest	Portal table	Note
  --	grantId	synID extracted from manifest.GrantSynapseProject
  GrantView_id	grantViewId
  GrantName	grantName
  GrantNumber	grantNumber
  GrantAbstract	abstract
  GrantType	grantType
  GrantThemeName	theme	Converted from STRING to STRINGLIST
  GrantInstitutionAlias	institutionAlias	Converted from STRING to STRINGLIST
  GrantInstitutionName	grantInstitution	Converted from STRING to STRINGLIST
  GrantInvestigator	investigator
  GrantConsortiumName	consortium	Converted from STRING to STRINGLIST
  GrantStartDate	grantStartDate
  NIHRePORTERLink	nihReporterLink
  DurationofFunding	durationOfFunding
  EmbargoEndDate	embargoEndDate
  GrantSynapseTeam	grantSynapseTeam
  GrantSynapseProject	grantSynapseProject