Merge `release-x.39.x` including ae6e9d9f (#16575)

* Cleanup from dump-load-entities-test (#16281)

Updating dump-load-entities-test test so that dump dir is actually deleted at the end

* Revamp Cypress custom commands (#16292)

* Extract UI custom commands

* Extract user related custom commands

* Extract overwrites

* Extract permissions related custom commands

* Extract API custom commands

* Extract helpers custom commands

* Extract database related custom commands

* Rename `helpers` group to `visibility`

* Rename custom command `isInViewport` to `isRenderedWithinViewport`

* Unskip repro for #15119 (#16297)

* Create composite Cypress custom command `cy.createQuestionAndDashboard` (#16294)

* Add composite Cypress custom command `createQuestionAndDashboard`

* Refactor the existing test to use new Cypress custom command

* Refactor repro for #13062 using the new Cypress custom command

* Use the `describe` block instead of using `forEach` for complex repro

* Add space between test cases

* #12629 Repro: Human-readable number formatting not working properly (#16231)

* Fix `nosql` user's email address (#16306)

* Generate correct SQL for columns from joins inside other joins or source queries (#16254)

* Fix joining a join inside a nested queries (#12928)

* Code cleanup & dox

* Tests for #13649

* Test fixes 



* Remove unit tests snapshots (#16321)

* Remove snapshots from `Calendar.unit.spec.js`

* Remove snapshots from `DashCard.unit.spec.js`

* Remove snapshots generated for "internal" components

* Remove unused import

* Remove snapshot related command from `scripts`

* Remove `noSnapshotTest` from internal components

* Remove `react-test-renderer`

* filter nulls out of histograms (#16345)

* #15993 Repro: Click behavior with filter pass-thru does not show filters defined on question (#16342)

* #16334 Repro: Click Behavior targeting a question with filter mapped causes the visualization type to change (#16343)

* Add repro for #16334

* Expand test assertion

* #16327 Repro: Double binning menu for date fields when using Saved Question (Native) (#16359)

* #16322 Repro: "Custom mapping" is only available, when "A list of all values" is set (and after a browser refresh) (#16361)

* #16226 Repro: LDAP/Email settings gets cleared if validation fails (#16364)

* Add repro for #16226

* Extract email settings into a separate file

* Add repro for #16226 (Email)

* switch to column settings when sidebar is already open (#16368)

* align labels on non-bars in combo charts (#16369)

* #16378 Repro: Cannot enable JWT authentication (#16384)

* Fix JS error on JWT settings form (#16394)

* fix default updateSettings function in SettingsBatchForm

* unskip repro

* #12128 Repro: Can't change label on empty row value (#16426)

* Post-merge fix

* Post-merge fix 2
I didn't solve this merge conflict properly in the original merge.

Co-authored-by: Jeff Evans <jeff303@users.noreply.github.com>
Co-authored-by: Cam Saul <1455846+camsaul@users.noreply.github.com>
Co-authored-by: Paul Rosenzweig <paulrosenzweig@users.noreply.github.com>
Co-authored-by: Noah Moss <32746338+noahmoss@users.noreply.github.com>