fix: rm spend limit division

[VariableVic]

This pull request includes several changes to how spending limits are handled across different parts of the codebase, specifically removing the multiplication and division by 100 to simplify the calculations.

Changes to spending limit calculations:

• apps/backend/src/admin/components/employees/employees-create-form.tsx: Removed the multiplication by 100 when parsing spending_limit in the EmployeesCreateForm component.
• apps/backend/src/admin/components/employees/employees-update-form.tsx: Removed the multiplication by 100 when parsing spending_limit in the EmployeesUpdateForm component.
• apps/backend/src/admin/routes/companies/[companyId]/page.tsx: Updated the CompanyDetails component to remove the division by 100 when formatting spending_limit. (apps/backend/src/admin/routes/companies/[companyId]/page.tsxL147-R147)
• apps/storefront/src/lib/util/check-spending-limit.ts: Removed the division by 100 in the checkSpendingLimit function.
• apps/storefront/src/lib/util/convert-cart-to-csv.ts: Removed the division by 100 when calculating totalTax in the cartToCsv function.
• apps/storefront/src/modules/account/components/employees-card/employee.tsx: Updated the Employee component to remove the division by 100 when setting spending_limit and the multiplication by 100 when submitting the form. [1] [2]