Deleting a zone should remove DNS tab on systems which have only this zone

Description

Error when DNS tab is empty

Distribution Name and Version

Debian buster

FusionDirectory Version

1.4

Plugin with the defect

DNS

PHP version used

7

Origin of php packages

From debian

Steps to Reproduce

1. Add dns zone and add it to servers
2. Remove the dns zone
3. You receive an error about "The required field '' is empty"

Expected behavior:

No errors

Actual behavior:

Error is showed

Reproduces how often: 100%

changed milestone to %FusionDirectory 1.4

added Bugs PJ1802-0188 plugin-dns labels

mentioned in commit fb51a16f

changed title from Error when DNS tab is empty to Deleting a zone should remove DNS tab on systems which have only this zone

added 1h 30m of time spent at 2020-02-19

added To Be Tested label

assigned to @jswaelens and unassigned @MCMic

Tested on last 1.4 and it works well

closed

added 7m of time spent at 2020-02-19

added Changed label and removed To Be Tested label

removed Bugs label

added Fixed label and removed Changed label