update multicurrencies functionality on global level

vendor/wpcfto/metaboxes/fields/multiselect.php

@@ -13,18 +13,13 @@
 
 ?>
 
-<wpcfto_multiselect v-bind:fields="<?php echo esc_attr($field); ?>"
-                    v-bind:field_label="<?php echo esc_attr($field_label); ?>"
-                    v-bind:field_name="'<?php echo esc_attr($field_name); ?>'"
-                    v-bind:field_id="'<?php echo esc_attr($field_id); ?>'"
-                    v-bind:field_value="<?php echo esc_attr($field_value); ?>"
-                    v-bind:field_options="<?php echo esc_attr($field); ?>['options']"
-                    v-bind:field_data='<?php echo str_replace("'", "", json_encode($field_data)); ?>'
-                    @wpcfto-get-value="$set(<?php echo esc_attr($field) ?>, 'value', $event)">
-</wpcfto_multiselect>
-
-<input type="hidden"
-       :style="{'width' : '100%'}"
-       name="<?php echo esc_attr($field_name); ?>"
-       v-bind:id="'<?php echo esc_attr($field_id); ?>'"
-       v-model="JSON.stringify(<?php echo esc_attr(wp_unslash($field_value)); ?>)"/>
+<wpcfto_multiselect 
+    v-bind:fields='<?php echo wp_json_encode($field); ?>'
+    v-bind:field_label='<?php echo wp_json_encode($field_label); ?>'
+    v-bind:field_name='<?php echo wp_json_encode($field_name); ?>'
+    v-bind:field_id='<?php echo wp_json_encode($field_id); ?>'
+    v-bind:field_value='<?php echo wp_json_encode($field_value); ?>'
+    v-bind:field_options='<?php echo wp_json_encode(isset($field['options']) ? $field['options'] : []); ?>'
+    v-bind:field_data='<?php echo wp_json_encode($field_data); ?>'
+    @wpcfto-get-value="$set(<?php echo json_encode($field_name); ?>, 'value', $event)">
+</wpcfto_multiselect>