refactor(styles): [PM-17181] remove Bootstrap styles from UserVerificationFormInputComponent

Replace Bootstrap classes with Tailwind CSS equivalents to maintain consistent styling:
- Replace form-control with Tailwind input classes
- Replace btn and btn-outline-secondary with Tailwind button classes
- Replace d-block with tw-block
- Replace spacing and utility classes with tw- prefixed equivalents
- Replace box-content-row with Tailwind layout classes

[PM-17181]

libs/auth/src/angular/user-verification/user-verification-form-input.component.html

@@ -120,7 +120,7 @@
     <div class="tw-mb-6" *ngIf="sentInitialCode">
       {{ "enterVerificationCodeSentToEmail" | i18n }}
 
-      <p class="mb-0">
+      <p class="tw-mb-0">
         <button bitLink type="button" linkType="primary" (click)="requestOTP()">
           {{ "resendCode" | i18n }}
         </button>