feat: Add alert sidebar URL

[piekarski-mateusz]

Closes #5441

📑 Description

Adds a URL that links to an opened alert sidebar for a given alert

✅ Checks

• My pull request adheres to the code style of this project
• My code requires changes to the documentation
• I have updated the documentation as required
• All the tests have passed

ℹ Additional Information

[greptile-apps]

Skipped: This PR does not target one of your configured branches: (refactor/2512-nextjs-15)

[vercel]

@piekarski-mateusz is attempting to deploy a commit to the KeepHQ Team on Vercel.

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[shahargl]

Hey! thanks for opening this PR!

We have some problem with the CI/CD. Going to handle it soon and let this PR in :)

[shahargl]

I guess this is duplicated now by #5444

[piekarski-mateusz]

Hello
I should've added more description to this PR. Apologies. It's not exactly duplicated by #5444
That one allows for customization of the sidebar elements.
This PR adds a shareable URL to an alert with an opened sidebar.
Here are some screenshots visualizing the change:
Before:

After:

[shahargl]

Can you resolve the conflict so I can merge? @piekarski-mateusz