fix: refine OTP authentication flow and incident management

[tabiodun]

Summary Hooks: Refactor OTP generation and token exchange in useAuth.ts. Errors: Handle 409 conflict status in errors.ts. Phone System: Add conditional checks and save functionality in PhoneSystem.vue. Phone Overlay: Remove empty variant attribute in PhoneOverlay.vue. Worksite Form: Add error handling and return values in WorksiteForm.vue. Phone Outbound: Add Axios error handling in PhoneOutbound.ts. Admin Incident Wizard: Clean up incident data handling in AdminIncidentWizard.vue. Details src/hooks/useAuth.ts

Introduce CodeResponse interface. Rename functions for better clarity. Implement OAuth2 token exchange. src/utils/errors.ts

Add 409 status case to error handling. src/pages/phone/PhoneSystem.vue

Add null checks for worksiteForm. Introduce save option in confirmation dialog. Adjust success and error notifications. src/components/phone/PhoneOverlay.vue

Simplify closeTab button by removing empty variant attribute. src/components/work/WorksiteForm.vue

Ensure methods return false on errors to improve flow control. Add success return value in the save method. src/models/PhoneOutbound.ts

Enhance error handling with Axios error integration. src/pages/admin/AdminIncidentWizard.vue

Clean up incident data before saving. Remove unnecessary fields. This commit ensures improved error handling, better user interaction, and clearer function definitions, enhancing the overall code quality and reliability.

[sentry-io[bot]]

🔍 Existing Issues For Review

Your pull request is modifying functions with the following pre-existing issues:

📄 File: src/hooks/useAuth.ts

Function	Unhandled Issue
authStore	ReferenceError: Can't find variable: t <anonymous... Event Count: 3 Affected Users: 2
authStore	SecurityError: Failed to read the 'localStorage' property from 'Window': Access is denied for this document. ... Event Count: 1 Affected Users: 1

📄 File: src/utils/errors.ts (Click to Expand)

| Function | Unhandled Issue | | :------- | :----- | | **`getErrorMessage`** | [**TypeError: Cannot read properties of undefined (reading '0')**](https://crisis-cleanup.sentry.io/issues/5402282812/?referrer=github-open-pr-bot) getErrorMessage(src/u...
`Event Count:` **1** `Affected Users:` **1** |

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[codecov[bot]]

Codecov Report

Attention: Patch coverage is 12.85714% with 61 lines in your changes are missing coverage. Please review.

Project coverage is 15.52%. Comparing base (95c5cdc) to head (f16bdd0).

Files	Patch %	Lines
src/hooks/useAuth.ts	25.00%	21 Missing :warning:
src/pages/phone/PhoneSystem.vue	0.00%	14 Missing :warning:
src/pages/admin/AdminIncidentWizard.vue	0.00%	10 Missing :warning:
src/components/work/WorksiteForm.vue	0.00%	6 Missing :warning:
src/models/PhoneOutbound.ts	25.00%	6 Missing :warning:
src/utils/errors.ts	0.00%	3 Missing :warning:
src/components/phone/PhoneOverlay.vue	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #912 +/- ## ======================================= Coverage 15.52% 15.52% ======================================= Files 380 380 Lines 80803 80841 +38 Branches 848 848 ======================================= + Hits 12541 12549 +8 - Misses 68262 68292 +30 ``` | [Flag](https://app.codecov.io/gh/CrisisCleanup/crisiscleanup-4-web/pull/912/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=CrisisCleanup) | Coverage Δ | | |---|---|---| | [unitTests](https://app.codecov.io/gh/CrisisCleanup/crisiscleanup-4-web/pull/912/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=CrisisCleanup) | `15.52% <12.85%> (+<0.01%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=CrisisCleanup#carryforward-flags-in-the-pull-request-comment) to find out more.

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[github-actions[bot]]

Playwright test results

 52 passed

Details

 52 tests across 12 suites
 1 minute, 42 seconds
 f16bdd0