* [web] Initialize BS5 in subscription page
* [web] Update subscription-dashboard.tsx for BS5
* [web] Update row-link.tsx for BS5
* [web] Update modals
* [web] Add `btn` to `btn-inline-link` classes
* [web] Update circle change-to-group circle price element
* [web] Replace `list-item-with-margin-bottom` with `mb-3`
* [web] Update form elements to BS5
* [web] Use `useContactUsModal`
* [web] Adjust tables margin/padding, and more
* [web] Update change-to-group-modal.tsx
* [web] Add gap to subscription buttons
* [web] Remove subscription page colspan for md and above
* [web] Use Notification component
* [web] Update "leave group" buttons
* [web] Fix tests: add `ol-user` meta tag
* [web] Nest .hover-highlight in #subscription-dashboard-root
* [web] Update to OLRow/OLCol
* [web] Update to OLButtons
* [web] Update to OLFormGroup
* [web] Naming: use BSversion prefix
* [web] Set CancelSubscriptionButton as ghost directly in component
* [web] Set "Plan" font size
* [web] Simplify cancel-subscription buttons
* [web] Remove `--neutral-10` ModalFooter background
* [web] Simplify circle styles
* [web] Center discount badge
* [web] Update fieldset label
* [web] Add `<ul>` around RowLink
* [web] Define SCSS for row-link component
* [web] Remove some use of utility classes
* [web] Revert and update `fieldset` changes (fixes tests)
* [web] Fixup some more OLButtons
* [web] Fixup use of OLRow/OLCol
* [web] Reduce spacing below "legend-as-label"
* [web] Use h5 instead of small in OLModalTitle
* [web] Revert OLCol removal on lg screens
I had removed them by mistake because I wasn't using the proper breakpoints
* [web] Add backdrop to nested modal ContactUsModal
* [web] Don't prefill project URL in ContactUsModal
* [web] Fix lint
* [web] Share `className` prop in BS5 and BS3 modals
* [web] Set sub-title font sans serif (BS3)
* [web] Update remaining Alerts to OLNotification
GitOrigin-RevId: 7fd975ae3e992cebfaf71d4e182f8e13ec886d09
* Fix split-tests loading in React component: use `useSplitTestContext` instead of `getSplitTestVariant`
* Replace use of `isSplitTestEnabled` by `useSplitTestContext`
* Add SplitTestProvider to roots, and fix tests
* Create `useFeatureFlag` hook
* Use `useFeatureFlag` where applicable
GitOrigin-RevId: 9ff7bb3975d50bc4d07d74d93c482d56dc96f615
