feat(front) : required sur les champs obligatoires adresse et comptabilite

- bloc adresse : pays, code postal, ville, adresse passes en required
- comptabilite : siren, n° compte, mode TVA, n° TVA, delai et type de
  reglement passes en required (banque deja required si virement, RIB si LCR)

frontend/modules/commercial/components/ClientAddressBlock.vue

@@ -54,6 +54,7 @@
             :options="countryOptions"
             :label="t('commercial.clients.form.address.country')"
             :readonly="readonly"
+            :required="true"
             @update:model-value="(v: string | number | null) => update('country', String(v ?? 'France'))"
         />
 
@@ -62,6 +63,7 @@
             :label="t('commercial.clients.form.address.postalCode')"
             :mask="POSTAL_CODE_MASK"
             :readonly="readonly"
+            :required="true"
             :error="errors?.postalCode"
             @update:model-value="onPostalCodeChange"
         />
@@ -75,6 +77,7 @@
             :label="t('commercial.clients.form.address.city')"
             :readonly="readonly"
             empty-option-label=""
+            :required="true"
             :error="errors?.city"
             @update:model-value="(v: string | number | null) => update('city', v === null ? null : String(v))"
         />
@@ -83,6 +86,7 @@
             :model-value="model.city"
             :label="t('commercial.clients.form.address.city')"
             :readonly="readonly"
+            :required="true"
             :error="errors?.city"
             @update:model-value="(v: string) => update('city', v)"
         />
@@ -103,6 +107,7 @@
                 :min-search-length="3"
                 :label="t('commercial.clients.form.address.street')"
                 :readonly="readonly"
+                :required="true"
                 :error="errors?.street"
                 @update:model-value="(v: string | number | null) => update('street', v === null ? null : String(v))"
                 @search="onAddressSearch"
@@ -113,6 +118,7 @@
                 :model-value="model.street"
                 :label="t('commercial.clients.form.address.street')"
                 :readonly="readonly"
+                :required="true"
                 :error="errors?.street"
                 @update:model-value="(v: string) => update('street', v)"
             />