[PM-17628] Rename @bitwarden/importer/core to @bitwarden/importer-core

[djsmith85]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-17628

📔 Objective

To be in line with npm package naming guidelines this renames @bitwarden/importer/core to @bitwarden/importer-core

Within a future PR the libs/importer-folder will be broken up into two "packages" similar as vault-export or key-management.

⏰ Reminders before review

• Contributor guidelines followed
• All formatters and local linters executed and passed
• Written new unit and / or integration tests where applicable
• Protected functional changes with optionality (feature flags)
• Used internationalization (i18n) for all UI strings
• CI builds passed
• Communicated to DevOps any deployment requirements
• Updated any necessary documentation (Confluence, contributing docs) or informed the documentation team

🦮 Reviewer guidelines

• 👍 (:+1:) or similar for great changes
• 📝 (:memo:) or ℹ️ (:information_source:) for notes or general info
• ❓ (:question:) for questions
• 🤔 (:thinking:) or 💭 (:thought_balloon:) for more open inquiry that's not quite a confirmed issue and could potentially benefit from discussion
• 🎨 (:art:) for suggestions / improvements
• ❌ (:x:) or ⚠️ (:warning:) for more significant problems or concerns needing attention
• 🌱 (:seedling:) or ♻️ (:recycle:) for future improvements or indications of technical debt
• ⛏ (:pick:) for minor or nitpick changes

[github-actions]

Checkmarx One – Scan Summary & Details – 3ab68ad6-09a8-42b0-b8fe-013aa201edfc

Great job, no security vulnerabilities found in this Pull Request

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 35.49%. Comparing base (4936e6a) to head (b585d99).

Files with missing lines	Patch %	Lines
...ole/organizations/settings/org-import.component.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #13182      +/-   ##
==========================================
- Coverage   35.50%   35.49%   -0.01%     
==========================================
  Files        3007     3007              
  Lines       90887    90887              
  Branches    16906    16906              
==========================================
- Hits        32267    32260       -7     
- Misses      56118    56125       +7     
  Partials     2502     2502              

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[coroiu]

Approving platform changes