fix(API): FormRequest 타입 및 검증 수정

- SendFcmRequest, PositionReorderRequest 수정
- TenantLogoUploadRequest, Salary Requests 수정
- StructureReview Requests 수정
- HandoverReport, SiteBriefing Requests 추가

Co-Authored-By: Claude <noreply@anthropic.com>

app/Http/Requests/Tenant/TenantLogoUploadRequest.php

@@ -27,4 +27,4 @@ public function messages(): array
             'logo.max' => __('validation.max.file', ['attribute' => '로고', 'max' => '5MB']),
         ];
     }
-}
+}