[7.x] Add ILM url generator and use it in Index Management (#82165)

[yuliacech]

Backports the following commits to 7.x:

• Add ILM url generator and use it in Index Management (Add ILM url generator and use it in Index Management #82165)

[kibanamachine]

💚 Build Succeeded

• continuous-integration/kibana-ci/pull-request
• Commit: 7bc4be1

Metrics [docs]

@kbn/optimizer bundle module count

id	before	after	diff
indexLifecycleManagement	111	112	+1
indexManagement	509	512	+3
total			+4

async chunks size

id	before	after	diff
indexLifecycleManagement	224.5KB	224.5KB	+18.0B
indexManagement	1.0MB	1.0MB	+4.3KB
total			+4.3KB

page load bundle size

id	before	after	diff
indexLifecycleManagement	71.8KB	77.0KB	+5.2KB
indexManagement	586.0KB	586.3KB	+273.0B
total			+5.5KB

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@elasticmachine merge upstream