there we implemented deleteEmpty, which we can use in some cases.
this also fixes a bug in the ControllerSelector where
an empty field would be allowed (but should not)
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
Reviewed-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
this adds a subclass of Ext.form.field.Number with the settings for
Integers (allowDecimals: false and allowExponential: false and default
step size 1)
and use it where we only accept integers
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>