[IMP] partner_autocomplete: don't save record if not UNSPSC code

The check was incorrect since `Boolean([])` is truthy in JS...

task-none

closes odoo#215210

X-original-commit: f6d07b8
Signed-off-by: Ruben Gomes (rugo) <[email protected]>
Signed-off-by: Ricardo Gomes Rodrigues (rigr) <[email protected]>

Author: RicGR98

addons/partner_autocomplete/static/src/js/partner_autocomplete_fieldchar.js

@@ -86,7 +86,7 @@ export class PartnerAutoCompleteCharField extends CharField {
         await this.props.record.update(data.company);
 
         // Add UNSPSC codes (tags)
-        if (this.props.record.resModel === 'res.partner' && unspsc_codes) {
+        if (this.props.record.resModel === 'res.partner' && unspsc_codes && unspsc_codes.length !== 0) {
             // We must first save the record so that we can then create the tags (many2many)
             const saved = await this.props.record.save();
             if (saved){