feat: rule - support multilevel tags

[situchan]

Explanation of Change

support multilevel tags in both personal rule and merchant rule

Fixed Issues

$ #81094

Tests

Precondition:

• Import this tag in default workspace
• Rules are enabled.

Case 1: (personal expense rule)

1. Go to Account > Expense rules.
2. Click New rule.
3. Click Merchant in "If expense contains:" > enter Apple > click Save.
4. Select tags (Department, Region, Project).
5. Click Save rule.
6. Go to workspace chat.
7. Create an expense with Apple as merchant.
8. Open the expense.
9. Verify that Europe tag is auto applied.

Case 2: (merchant rule)

1. Go to workspace settings > Rules.
2. Click Add merchant rule.
3. Click Merchant in "For expenses with:" > enter Apple > click Save.
4. Select tags (Department, Region, Project).
5. Click Add merchant rule.
6. Repeat the steps 6-9 in Case 1.

• Verify that no errors appear in the JS console

Offline tests

Same as Tests

QA Steps

Same as Tests

• Verify that no errors appear in the JS console

PR Author Checklist

• I linked the correct issue in the ### Fixed Issues section above
• I wrote clear testing steps that cover the changes made in this PR
  • I added steps for local testing in the Tests section
  • I added steps for the expected offline behavior in the Offline steps section
  • I added steps for Staging and/or Production testing in the QA steps section
  • I added steps to cover failure scenarios (i.e. verify an input displays the correct error message if the entered data is not correct)
  • I turned off my network connection and tested it while offline to ensure it matches the expected behavior (i.e. verify the default avatar icon is displayed if app is offline)
  • I tested this PR with a High Traffic account against the staging or production API to ensure there are no regressions (e.g. long loading states that impact usability).
• I included screenshots or videos for tests on all platforms
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  • Android: Native
  • Android: mWeb Chrome
  • iOS: Native
  • iOS: mWeb Safari
  • MacOS: Chrome / Safari
  • MacOS: Desktop
• I verified there are no console errors (if there's a console error not related to the PR, report it or open an issue for it to be fixed)
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Screenshots/Videos

Android: Native

Android: mWeb Chrome

iOS: Native

iOS: mWeb Safari

MacOS: Chrome / Safari

personal.rule.mov

merchant.rule.mov

[codecov]

Codecov Report

❌ Looks like you've decreased code coverage for some files. Please write tests to increase, or at least maintain, the existing level of code coverage. See our documentation here for how to interpret this table.

Files with missing lines	Coverage Δ
src/libs/Navigation/linkingConfig/config.ts	75.00% <ø> (ø)
src/libs/ReportLayoutUtils.ts	98.07% <ø> (ø)
src/libs/TagUtils.ts	100.00% <100.00%> (ø)
src/ROUTES.ts	13.02% <80.00%> (-0.10%)	⬇️
src/components/Rule/RuleSelectionBase.tsx	0.00% <0.00%> (ø)
src/libs/ExpenseRuleUtils.ts	90.90% <0.00%> (ø)
src/pages/workspace/rules/MerchantRulesSection.tsx	0.00% <0.00%> (ø)
...space/rules/MerchantRules/MerchantRulePageBase.tsx	0.00% <0.00%> (ø)
...pages/workspace/rules/MerchantRules/AddTagPage.tsx	0.00% <0.00%> (ø)
src/pages/settings/Rules/Fields/AddTagPage.tsx	0.00% <0.00%> (ø)
... and 1 more
... and 14 files with indirect coverage changes

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