[META] ILM enhancements

[cjcenizal]

• Improve ILM error reporting in Index Management UI #126109
• Support total_shards_per_node in the ILM UI #123296
• Copy Index Lifecycle Stacktrace #120757
• Warn user when freeze action will be removed from an ILM policy #116314
• [ILM] Update UI validation for snapshot repo and SLM policy #115983
• [ILM] Remove hard-coded snapshot_restore URLs #109834
• [ILM] Creating ILM policy with a missing name gives unhelpful error #109226
• [ILM] Surface delete_searchable_snapshot option in Delete phase #108060
• Rollover alias is not mandatory when assigning ILM policy to template #105423
• [ILM] Add explanation for searchable snapshots in Hot phase #104669
• Indicate managed ILM policies in the UI #101438
• Surface query speed information in ILM policy UI #100286
• Show per day size stats for ILM indices #100009
• Prevent or Warn in ILM UI when configuring ILM Rollover allowing max docs setting to be larger than Lucene max docs limit #99438
• Link ILM users to data tier configuration docs #98960
• [ILM] Improve UX to move immediately to a phase #96397
• [ILM UI] Improve Timeline and time indicator #93618
• Surface phase timing information in ILM #90862
• [ILM] Backing indices of hidden data streams don't have ilm policy information #88441
• [ILM] Clicking on form element with flyout open does not always work #87517

[elasticmachine]

Pinging @elastic/platform-deployment-management (Team:Deployment Management)

[elasticmachine]

Pinging @elastic/kibana-management (Team:Kibana Management)