[Dashboards] Update how to place controls on the dashboard

[alaudazzi]

This PR updates the Dashboard docs with the new controls features.

Closes #4676

Generative AI disclosure

1. Did you use a generative AI (GenAI) tool to assist in creating this contribution?

• Yes
• No

Cursor + Auto search models

[github-actions]

Vale Linting Results

Summary: 1 suggestion found

💡 Suggestions (1)

File	Line	Rule	Message
explore-analyze/dashboards/add-controls.md	135	Elastic.Semicolons	Use semicolons judiciously.

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[github-actions]

🔍 Preview links for changed docs

• explore-analyze/dashboards/add-controls.md
• explore-analyze/dashboards/arrange-panels.md

[alaudazzi]

These settings do not correspond to the UI (I'm testing with v9.4.0-SNAPSHOT)

@Heenawter Am I doing something wrong here, or are these settings no longer available from the Create control layer? For ex. Minimum width or Expand width to fit available space?

[Heenawter]

You're not doing anything wrong, no! :) These settings are now only available for pinned controls via the following hover action:

[alaudazzi]

@Heenawter Thank you for the quick demo, it was very helpful!
I updated the docs based on what we discussed yesterday, taking also into account what AI suggests.
If you can have a look at this doc preview would be very helpful, just to make sure we are on the right track :)

[alaudazzi]

@Heenawter
I took another pass (preview); it's getting closer to the final version :)
QQ regarding the following setting:

Auto apply filters. When enabled (default), the dashboard updates as soon as options are selected in controls. When disabled, users must click the unified search Apply button to apply pending control selections.

where do I find it on the UI?

You will notice a bunch of version tags. It's not ideal for a linear reading, but this is cumulative docs, not sure how much easier we can make it.

[Heenawter]

Discussed necessary changes offline and everything looks good from my perspective now ❤️ We might want to make it a littler clearer how to find the "Auto apply filters" setting (see screenshots) but other than that, LGTM 👍

[alaudazzi]

@Heenawter
Thank you for the great feedback you provided offline! I fixed the text to make it more explicit about the "Auto apply filters" setting.

[benironside]

Nice work! Left a few suggestions for your consideration, I hope they're helpful. Overall I think the applies-to labels are working, with a few possible exceptions that I commented on.

[benironside]

LGTM