insights: use escaped view title in data export filename

[leonore]

closes #46876

also add a link to data retention docs

Test plan

Tested through curl and UI export with a file with special characters (specifically \ which created folders prior)

before	after

[leonore]

@vovakulikov the escapeRegexp helper you use doesn't behave the same as the backend one; for consistency sake is there a way to use the filename returned by the backend or do you define it prior to fetching the data?

[sg-e2e-regression-test-bob]

Bundle size report 📦

Initial size	Total size	Async size	Modules
0.00% (0.00 kb)	0.00% (+0.12 kb)	0.00% (+0.12 kb)	0.00% (0)

Look at the Statoscope report for a full comparison between the commits fc7c28f and 5c25cdf or learn more.

Open explanation

• Initial size is the size of the initial bundle (the one that is loaded when you open the page)
• Total size is the size of the initial bundle + all the async loaded chunks
• Async size is the size of all the async loaded chunks
• Modules is the number of modules in the initial bundle

[sourcegraph-bot]

Codenotify: Notifying subscribers in CODENOTIFY files for diff 5c25cdf...fc7c28f.

No notifications.