[CHECKLIST][HOLD for payment 2024-07-26] Tax - Add tax code

[Gonals]

From the design doc:

settings/workspaces/{policyID}/tax/{taxID}/tax-code -> TaxCodePage
- Parameter: taxID, the ID of the tax rate for which we are updating the tax code.
- Calls UpdateTaxCode
policyID
oldTaxCode - the old tax code for the tax rate.
newTaxCode - the updated tax code for the tax rate.
The pendingAction for the OfflineWithFeedback component will be currentTaxRate.pendingFields?.taxCode

Issue Owner

Current Issue Owner: @jliexpensify

[melvin-bot]

Triggered auto assignment to @jliexpensify (NewFeature), see https://stackoverflowteams.com/c/expensify/questions/14418#:~:text=BugZero%20process%20steps%20for%20feature%20requests for more details. Please add this Feature request to a GH project, as outlined in the SO.

[melvin-bot]

⚠️ It looks like this issue is labelled as a New Feature but not tied to any GitHub Project. Keep in mind that all new features should be tied to GitHub Projects in order to properly track external CAP software time ⚠️

[melvin-bot]

Triggered auto assignment to Design team member for new feature review - @dannymcclain (NewFeature)

[Gonals]

@rushatgabhane will be working on this

[jliexpensify]

Not overdue