OrgRule FORBID_STORING_PASS_PHRASE

[tomholub]

Add OrgRule FORBID_STORING_PASS_PHRASE - option to forbid users from saving pass phrase (and instead keep it in session using existing mechanism)

• update OrgRules class to add org rule FORBID_STORING_PASS_PHRASE
• use this new orgrule in
  • setup screen: disable setting pass phrase to be stored locally in both manual and automatic flows, both in UX (checkbox disabled=disabled) and in the code
  • settings -> security: disable changing pass phrase settings to remember
  • passphrase entry frame: disable remembering it for later
• add tests for new org rule for above mentioned scenarios

part of #2125

continue in #3756