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>
The framework value of 100 is not enough for many of our description
fields.
Setting this at the parent component level allow to remove
the end component setting.
listen to 'activate' event is needed because of framework changes,
similar to c0b3df6e34
ext6migrate: listen to 'activate' events for panels inside a tabpanel