fix: correct spelling of "contraseña" in various components and templates

src/app/features/store/pages/checkout-page/checkout-data-step.component.html

@@ -12,7 +12,6 @@
       <app-input
         id="checkout-nombre"
         type="text"
-        placeholder="Descripcion"
         [value]="form().controls.nombre.value"
         [invalid]="showControlError('nombre')"
         [disabled]="form().controls.nombre.disabled"
@@ -30,7 +29,6 @@
       <app-input
         id="checkout-email"
         type="email"
-        placeholder="Descripcion"
         [value]="form().controls.email.value"
         [invalid]="showControlError('email')"
         [disabled]="form().controls.email.disabled"
@@ -48,7 +46,6 @@
       <app-input
         id="checkout-dni"
         type="text"
-        placeholder="Descripcion"
         [value]="form().controls.dni.value"
         [invalid]="showControlError('dni')"
         [disabled]="form().controls.dni.disabled"
@@ -66,7 +63,6 @@
       <app-input
         id="checkout-telefono"
         type="text"
-        placeholder="Descripcion"
         [value]="form().controls.telefono.value"
         [invalid]="showControlError('telefono')"
         [disabled]="form().controls.telefono.disabled"