Inherited Arguments not shown correctly

[Wintermute2k6]

Expected Behavior

Fields and Arguments should be shown correctly in the Director with/from inherited templates

Current Behavior

Fields are shown correctly but Arguments are not shown at all

Possible Solution

implement rendering for the arguments in the director view for inherited objects.

Steps to Reproduce (for bugs)

1. Create a template which includes fields and arguments like a notification command plugin template.
2. Add some fields and arguments.
3. Create a new template or command which inherits this previous template.
4. Go to the Arguments Tab in the new template to see already inherited arguments .. and they are not shown.

Your Environment

• Icinga Web 2 version and modules (System - About):

director       1.8.0     enabled   Director - Config tool for Icinga 2
incubator      0.6.0     enabled   Incubator provides bleeding-edge libraries
ipl            v0.5.0    enabled   The Icinga PHP library
monitoring     2.8.2     enabled   Icinga monitoring module
reactbundle    0.8.0     enabled   ReactPHP-based 3rd party libraries

• Icinga 2 version (icinga2 --version): 2.12.2-1
• Operating System and version: Centos 7
• Webserver, PHP versions:

httpd.x86_64                          2.4.37-21.module_el8.2.0+494+1df74eae      @AppStream
icingaweb2-vendor-lessphp.noarch      2.8.2-1.el8.icinga                         @icinga-stable-release
php.x86_64                            7.2.24-1.module_el8.2.0+313+b04d0a66       @AppStream            
php-Icinga.noarch                     2.8.2-1.el8.icinga                         @icinga-stable-release
php-cli.x86_64                        7.2.24-1.module_el8.2.0+313+b04d0a66       @AppStream            
php-common.x86_64                     7.2.24-1.module_el8.2.0+313+b04d0a66       @AppStream            
php-fpm.x86_64                        7.2.24-1.module_el8.2.0+313+b04d0a66       @AppStream            
php-gd.x86_64                         7.2.24-1.module_el8.2.0+313+b04d0a66       @AppStream            
php-intl.x86_64                       7.2.24-1.module_el8.2.0+313+b04d0a66       @AppStream            
php-json.x86_64                       7.2.24-1.module_el8.2.0+313+b04d0a66       @AppStream            
php-ldap.x86_64                       7.2.24-1.module_el8.2.0+313+b04d0a66       @AppStream            
php-mbstring.x86_64                   7.2.24-1.module_el8.2.0+313+b04d0a66       @AppStream            
php-mysqlnd.x86_64                    7.2.24-1.module_el8.2.0+313+b04d0a66       @AppStream            
php-pdo.x86_64                        7.2.24-1.module_el8.2.0+313+b04d0a66       @AppStream            
php-pgsql.x86_64                      7.2.24-1.module_el8.2.0+313+b04d0a66       @AppStream            
php-process.x86_64                    7.2.24-1.module_el8.2.0+313+b04d0a66       @AppStream            
php-xml.x86_64                        7.2.24-1.module_el8.2.0+313+b04d0a66       @AppStream  

The Fields View correctly working:

The Arguments View not working:

ref/NC701998