fix(xo-server/pif.reconfigureIp): accepts empty strings for dns, gateway, ip and netmask params

CHANGELOG.unreleased.md

@@ -13,6 +13,7 @@
 
 > Users must be able to say: “I had this issue, happy to know it's fixed”
 
+- [Host/Network] Fix IP configuration not working with empty fields
 - [Import/VM/From VMware] Fix `Property description must be an object: undefined` [Forum#61834](https://xcp-ng.org/forum/post/61834) [Forum#61900](https://xcp-ng.org/forum/post/61900)
 - [Import/VM/From VMware] Fix `Cannot read properties of undefined (reading 'stream')` [Forum#59879](https://xcp-ng.org/forum/post/59879) (PR [#6825](https://github.com/vatesfr/xen-orchestra/pull/6825))
 

packages/xo-server/src/api/pif.mjs

@@ -84,10 +84,10 @@ export async function reconfigureIp({ pif, mode = 'DHCP', ip = '', netmask = '',
 reconfigureIp.params = {
   id: { type: 'string', optional: true },
   mode: { type: 'string', optional: true },
-  ip: { type: 'string', optional: true },
-  netmask: { type: 'string', optional: true },
-  gateway: { type: 'string', optional: true },
-  dns: { type: 'string', optional: true },
+  ip: { type: 'string', minLength: 0, optional: true },
+  netmask: { type: 'string', minLength: 0, optional: true },
+  gateway: { type: 'string', minLength: 0, optional: true },
+  dns: { type: 'string', minLength: 0, optional: true },
 }
 
 reconfigureIp.resolve = {