fix(edit-content): show exact date/time in History cards, remove relative time and tooltip

[jcastro-dotcms]

Summary

Closes #36374.

The History side panel's Version cards always showed relative time (now, two days ago), with the exact date/time only revealed via a hover tooltip — and the current/working version showed a static Current label instead of any date at all. Per the ticket, cards now always display the exact date/time (e.g. May 16, 2026 - 1:10 PM), for every version including the current one.

• dot-history-timeline-item: time display now always renders {{ modDate | date: 'MMM d, yyyy - h:mm a' }} — the working → "Current" special case and the dotRelativeDate pipe usage are removed.
• The separate hover-to-reveal ellipsis menu + inode display (Side Panel — History: ellipsis menu by version status, active card state, and layout updates #35888) is untouched.
• Cleaned up dead code found while in this file: an unused inject(DatePipe) field/providers entry, and the now-unused DotRelativeDatePipe import.

Scope extension (flagging for reviewers): the sibling Push Publish cards, in the same History panel (dot-pushpublish-timeline-item), had the identical relative-time + tooltip pattern. This wasn't explicitly called out in #36374, but we fixed it too for UI consistency within the same panel — same treatment: exact date/time always shown.

Update: the hover tooltip was initially kept (with just its redundant date line dropped) but Product decided afterward to remove the tooltip entirely on both card types. Flagging for reviewers: this means some fields that only ever lived in the tooltip are no longer shown anywhere in the UI:

• Versions cards: content title and languageFlag are no longer displayed (the experiment variant is still indicated via the existing "Variant" tag chip, just not its actual value).
• Push Publish cards: environment name and the full bundleId text are no longer displayed (the bundle ID remains copyable via the existing copy button, just not shown as text).

Test plan

• Updated/added unit tests (Jest/Spectator) for dot-history-timeline-item: exact-format assertions for both working and non-working versions, AM/PM boundary cases (12:00 AM, 12:00 PM, 1:10 PM), a guard that no version ever renders "now"/"ago"/"current", and a guard that no tooltip is rendered
• Added unit tests for dot-pushpublish-timeline-item asserting exact-format output with no relative string and no tooltip
• pnpm nx test edit-content — all 40 relevant tests passing
• pnpm nx lint edit-content — clean (only pre-existing, unrelated warnings)
• Manually verified live against a fresh local Docker build (dotcms/dotcms-test:1.0.0-SNAPSHOT): History → Versions panel shows exact date/time for all versions including the currently published one, no tooltip on hover

🤖 Generated with Claude Code

This PR fixes: #36374

[claude]

Claude finished @jcastro-dotcms's task in 3m 31s —— View job

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Code Review

Reviewed the full diff (fa8d8c96..HEAD, 3 commits) covering the History and Push Publish timeline items.

• Analyzed context & PR diff
• Verified no leftover/unused imports after tooltip + relative-date removal
• Checked template ↔ component import consistency
• Reviewed test coverage and timezone safety

New Issues

No issues found.

Notes

• Clean removal. TooltipModule, DotRelativeDatePipe, DotFormatDateService, the inject(DatePipe) field, and the providers: [DatePipe] entries are all fully removed with no dangling references in either .html, .ts, or .spec.ts. DatePipe correctly remains in the imports array of both standalone components since the date: pipe is still used in the templates.
• Timezone-safe tests. The specs build dates with new Date(2026, 4, 16, 13, 10) (local time) and DatePipe formats in local time by default, so wall-clock assertions like "1:10 PM" hold regardless of the CI timezone — no flakiness introduced.
• Prior review comments resolved:
  • ✅ Duplicate 13:10 → 1:10 PM it.each case swapped for the genuinely distinct 23:59 → 11:59 PM boundary (commit 9f99253).
  • ✅ Tooltip fully removed on both card types (commit 8c029e8), which realigns with issue History cards: show full date & time, remove relative time and date tooltip (Edit Contentlet) #36374's AC-4 literal text.
• Good guard tests: the "never renders now/ago/current" loop and the tooltipPosition / overlay-title absence assertions lock in the intended behavior well.

One non-blocking product/UX consideration (already flagged by the author in the PR description, not a code defect): removing the tooltips drops title / languageFlag from Version cards and environment / bundleId text from Push Publish cards from the UI entirely. That's a deliberate Product decision per the PR description — worth confirming AC-4 on #36374 is updated so QA doesn't fail against the old text.

LGTM. ✅
• issue-36374-history-cards-exact-date-time

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