feat(nav): Upgrade org dropdown to new components

[malwilley]

Copies over the SidebarDropdown component from the old sidebar and rebuilds it using <DropdownMenu />

[codecov]

❌ 2 Tests Failed:

Tests completed	Failed	Passed	Skipped
9697	2	9695	4

View the top 2 failed test(s) by shortest run time

OrgDropdown displays org info and links

Stack Traces | 0.167s run time

TestingLibraryElementError: Unable to find an element with the text: Organization Name. This could be because the text is broken up by multiple elements. In this case, you can provide a function for your text matcher to make your matcher more flexible.

Ignored nodes: comments, script, style
...
    at Object.getElementError (.../sentry/sentry/node_modules/@.../dom/dist/config.js:37:19)
    at .../sentry/sentry/node_modules/@.../dom/dist/query-helpers.js:76:38
    at .../sentry/sentry/node_modules/@.../dom/dist/query-helpers.js:52:17
    at .../sentry/sentry/node_modules/@.../dom/dist/query-helpers.js:95:19
    at Object.<anonymous> (.../components/nav/orgDropdown.spec.tsx:25:40)

OrgDropdown can switch orgs

Stack Traces | 1.2s run time

Error: Unable to find role="link" and name `/Org 1/`

Ignored nodes: comments, script, style
...
    at waitForWrapper (.../sentry/sentry/node_modules/@.../dom/dist/wait-for.js:163:27)
    at .../sentry/sentry/node_modules/@.../dom/dist/query-helpers.js:86:33
    at Object.<anonymous> (.../components/nav/orgDropdown.spec.tsx:112:46)

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