Fixes invalid class to is-danger state on date input.

src/assets/css/tainacan-gutenberg-block-item-submission-form.css

@@ -31,7 +31,8 @@
     flex-direction: column;
     border-radius: 4px;
     border: 1px solid rgba(200, 200, 200, 0.3);
-    overflow: hidden; }
+    overflow: hidden;
+    box-sizing: border-box; }
     .wp-block-tainacan-item-submission-form .item-submission-form-placeholder .fake-text {
       background-color: var(--tainacan-label-color, rgba(200, 200, 200, 0.3));
       height: 0.25em;

src/views/admin/components/metadata-types/date/Date.vue

@@ -3,7 +3,7 @@
         <b-input
                 :id="'tainacan-item-metadatum_id-' + itemMetadatum.metadatum.id + (itemMetadatum.parent_meta_id ? ('_parent_meta_id-' + itemMetadatum.parent_meta_id) : '')"
                 :disabled="disabled"
-                :class="{'is-danger': isInvalidDate && dateValue}"
+                :custom-class="{ 'is-danger': isInvalidDate && dateValue }"
                 type="text"
                 v-mask="dateMask"
                 v-model="dateValue"

src/views/gutenberg-blocks/blocks/item-submission-form/item-submission/item-submission-form.vue

@@ -595,7 +595,7 @@
                         </div>
                         <div class="wp-block-button">
                             <button 
-                                    :disbuttonbled="showTermsAgreementCheckbox && !userHasAgreedToTerms"
+                                    :disabled="showTermsAgreementCheckbox && !userHasAgreedToTerms"
                                     @click="onSubmit()"
                                     type="button"
                                     class="wp-block-button__link wp-element-button">

src/views/gutenberg-blocks/blocks/item-submission-form/style.scss

@@ -41,6 +41,7 @@
         border-radius: 4px;
         border: 1px solid rgba(200,200,200, 0.3);
         overflow: hidden;
+        box-sizing: border-box;
 
         .fake-text {
             background-color: var(--tainacan-label-color, rgba(200,200,200, 0.3));