Replace navigateLean with getWithChildren for the timeline view

[aasandei-vsp]

Warning

Do not merge before #1135 , this PR depends on the mappings from that specific PR
Depends on accessRole being on stela records and folders

Manual test cases — timeline view moved from navigateLean to getWithChildren

Note

The timeline folder tiles no longer show an N items count. That is expected — Stela's
folder payload has no record-count field. The tile renders without the count line rather
than showing zero.

---

Timeline navigation ⭐

Scenario — loading the timeline

1. Navigate to Public files, then switch to the timeline view.
   • EXPECTED: Items plot on the timeline and the breadcrumb bar shows the folder path.

Scenario — clicking a folder in the timeline

1. Click a folder tile on the timeline.
   • EXPECTED: The view navigates into that folder and its contents plot.
2. Check the breadcrumb bar.
   • EXPECTED: A new crumb is appended for the folder you entered.

Scenario — clicking a breadcrumb

1. Navigate two folders deep, then click the first folder crumb in the bar.
   • EXPECTED: The timeline actually navigates back to that folder and its contents
     change. It does not just zoom or refit in place.

Scenario — deep link

1. Copy a timeline URL of the form /app/private/view/timeline/{archiveNbr}/{folderLinkId}
   and open it in a fresh tab.
   • EXPECTED: The folder loads and plots. Previously this path could not resolve at all.

---

Permissions ⭐

(run as both the owner and the Viewer account — the point is that the two differ)

Stela reports the caller's role as owner / viewer, which this PR translates into
access.role.owner / access.role.viewer. Untranslated, every gate denied.

Scenario — owner keeps their actions

1. Go to the private list view
2. Click on a row(record or folder)
   • EXPECTED: Rename, Copy and Delete are all enabled.

Scenario — viewer is still restricted

1. Open a folder shared to you as a Viewer.
2. Click a row (record or folder)
   • EXPECTED: Write actions (Rename, Delete) are disabled.

---

Breadcrumbs outside the timeline

Scenario — unlisted share breadcrumbs

1. Open an unlisted share link to a nested folder.
   • EXPECTED: The breadcrumb bar renders the full path.
2. Click a middle crumb.
   • EXPECTED: It navigates to that ancestor folder.
3. Look at the address bar after the click.
   • EXPECTED: A real path with an archive number and link id — no null or
     undefined segment such as /private/null/194781.

---

Shared record via share preview

Scenario — open a shared record

1. Open a share link that points at a single record (not a folder).
   • EXPECTED: The record opens

---

Error handling

Scenario — deep link to a folder that does not exist

1. Edit a timeline deep-link URL to use a bogus folderLinkId and load it.
   • EXPECTED: An error message is shown and you are redirected to /private. Previously
     this threw a TypeError inside the error handler, because the deep-link target has no
     type to call .includes('root') on.

[codecov]

Codecov Report

❌ Patch coverage is 82.22222% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 52.16%. Comparing base (476f085) to head (3bae6b8).

Files with missing lines	Patch %	Lines
...c/app/core/resolves/lean-folder-resolve.service.ts	66.66%	4 Missing and 1 partial ⚠️
...omponents/timeline-view/timeline-view.component.ts	75.00%	2 Missing ⚠️
src/app/shared/utilities/folder-error-message.ts	75.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@                             Coverage Diff                             @@
##           PER-10679-replace-navigate-lean-publish    #1138      +/-   ##
===========================================================================
- Coverage                                    52.83%   52.16%   -0.67%     
===========================================================================
  Files                                          355      360       +5     
  Lines                                        12154    12542     +388     
  Branches                                      2206     2274      +68     
===========================================================================
+ Hits                                          6422     6543     +121     
- Misses                                        5504     5764     +260     
- Partials                                       228      235       +7     

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