[Dashboard] Replace DashboardLastForceSyncTime with LastForceSyncTime

[tbavelier]

What does this PR do?

• Replaces DashboardLastForceSyncTime with LastForceSyncTime

Motivation

• Removes OpenAPI violation when using make generate

API rule violation: names_match,./api/datadoghq/v1alpha1,DatadogDashboardStatus,LastForceSyncTime

Additional Notes

• Will be cherry-picked to v1.9

Minimum Agent Versions

Are there minimum versions of the Datadog Agent and/or Cluster Agent required?

• Agent: vX.Y.Z
• Cluster Agent: vX.Y.Z

Describe your test plan

• No Q/A needed, no functional change

Checklist

• PR has at least one valid label: bug, enhancement, refactoring, documentation, tooling, and/or dependencies
• PR has a milestone or the qa/skip-qa label

[github-actions]

This pull request does not contain a valid label. Please add one of the following labels: bug, enhancement, refactoring, documentation, tooling, dependencies

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 47.40%. Comparing base (6d4bbd9) to head (5e3dbfc).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1410   +/-   ##
=======================================
  Coverage   47.40%   47.40%           
=======================================
  Files         223      223           
  Lines       19244    19244           
=======================================
  Hits         9123     9123           
  Misses       9635     9635           
  Partials      486      486           

Flag	Coverage Δ
unittests	47.40% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
api/datadoghq/v1alpha1/datadogdashboard_types.go	100.00% <ø> (ø)

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[tbavelier]

/merge

[dd-devflow]

🚂 MergeQueue: pull request added to the queue

The median merge time in main is 15m.

Use /merge -c to cancel this operation!