Remove spaces in the applications string

the list of applications needs to be supplied as comma separated strings. Including spaces breaks the process. This change should ensure no spaces are passed to the API.

civo/resource_kubernetes_cluster.go

@@ -274,7 +274,7 @@ func resourceKubernetesClusterCreate(ctx context.Context, d *schema.ResourceData
 
 	if attr, ok := d.GetOk("applications"); ok {
 		if utils.CheckAPPName(attr.(string), apiClient) {
-			config.Applications = attr.(string)
+			config.Applications = strings.ReplaceAll(attr.(string), " ", "")
 		} else {
 			return diag.Errorf("[ERR] the app that tries to install is not valid: %s", attr.(string))
 		}