[7.x] [Observability] Lazy load shared components (#88802)

[shahzad31]

Backports the following commits to 7.x:

• [Observability] Lazy load shared components ([Observability] Lazy load shared components #88802)

[shahzad31]

@elasticmachine merge upstream

[kibanamachine]

💚 Build Succeeded

• continuous-integration/kibana-ci/pull-request
• Commit: e96779d

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
observability	110	111	+1

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
apm	5.5MB	5.5MB	+58.0B
observability	163.5KB	216.6KB	+53.1KB
total			+53.2KB

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
observability	80.4KB	54.6KB	-25.8KB

Unknown metric groups

async chunk count

id	before	after	diff
observability	1	3	+2

History

• 💔 Build #100762 failed 8473482

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream