[docs] Fix demos acting flaky in Argos

[LukasTy]

Some demos are producing flaky results in Argos.
Sometimes we approve the broken versions and then have to re-approve the proper version of those snapshots in multiple follow-up PRs.
Here are examples of the latest demos producing issues: https://app.argos-ci.com/mui/mui-x/builds/26329/118165897, https://app.argos-ci.com/mui/mui-x/builds/26330/118217890.

• ColumnSpanningDerived
• PopularFeaturesDemo
• RowSpanningCalendar
• ColumnSelectorGridSnap
• DensitySelectorGrid

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[JCQuintas]

Could this be an issue with the v7 branch and the config? I've run the migration scrips locally in master and v7 and the outputs are different for some of these tests

[LukasTy]

As far as I remember, at least he PopularFeaturesDemo was flaky before the start of the master<->v7.x "tango". 🤔

[JCQuintas]

Yeah, so from the argos config, it uses master as the base, so I GUESS if on a v7 PR we accept the changes, they will be the new "master" changes.

[LukasTy]

Yeah, so from the argos config, it uses master as the base, so I GUESS if on a v7 PR we accept the changes, they will be the new "master" changes.

Hasn't Argos been semi recently updated to work smart with the branches? 🤔

[JCQuintas]

Idk, their settings doesn't have anything related to that: https://app.argos-ci.com/mui/mui-x/settings

[LukasTy]

Idk, their settings doesn't have anything related to that: https://app.argos-ci.com/mui/mui-x/settings

@JCQuintas I was referring to https://argos-ci.com/changelog/2024-10-08-multi-branches. 😉