Improvements to the rule import wizard

Issue Description

Currently, the Automation rule import wizard contains very limited options, which can make it very tedious/unpractical to import a JSON file containing a big number of rules.

Suggestions

Some improvements to the wizard that help sys-admins save time especially on large instances:

• An option to select all rules when importing
• An option to select all active rules when importing
• UI should differentiate rules that have the same name (maybe show the project context / rule ID)
• An option to import rules in its exported state (vs DISABLED by default)
• Option to import rule labels and create them if missing
• Option to overwrite rules (if the rule id, name and context matches)
• Option to import rule owners (will need to add it to the export)
  • Import should honor “actorAccountId”/“authorAccountId” values defined in source JSON and map them accordingly after importing the rule (given that provided usernames exist in the target system)
• Ability to map custom fields and custom fields options that have different IDs on source and destination instances