Feature/create lead from partner wizard

• Commit 1: Fix identation in contract tariff change wizard view button

• Commit 2: Add create_lead_from_partner wizzard

  • Creates CRMLead & CRMLeadLine
  • Redirects to the recently created CRMLead

• Commit 3: Add tests for create lead from partner wizard

• Commit 4: Add i18n translations

• Commit 5: Adapt wizard form view. Improve aestethics separating its content into two columns

  • MOBILE NEW

  • MOBILE PORTABILITY

  • BA NEW

  • BA PORTABILITY

• Commit 6: Add CHANGELOG entry