custom fields on devices and ports in the web from config (#945)

* custom device field web display and edit

* make display work; relies on T::T calling dict slot or method with same syntax

* add storing port custom fields

* use resultset method instead, use cf_ prefix

* update Pg min ver for jsonb

* allow override of position and default for port custom fields

* support hidden for custom fields

* update description of Objects API class

* allow left and mid position for custom fields

* add custom fields in csv

* change port control sidebar label

* fix default missing bug on backend jobs

lib/App/Netdisco/DB/Result/Device.pm

@@ -85,6 +85,8 @@ __PACKAGE__->add_columns(
   { data_type => "boolean", is_nullable => 0, default_value => \"false" },
   "pae_is_enabled",
   { data_type => "boolean", is_nullable => 1 },
+  "custom_fields",
+  { data_type => "jsonb", is_nullable => 0, default_value => \"{}" },
 );
 __PACKAGE__->set_primary_key("ip");
 

lib/App/Netdisco/DB/Result/DevicePort.pm

@@ -71,6 +71,8 @@ __PACKAGE__->add_columns(
   { data_type => "integer", is_nullable => 1 },
   "lastchange",
   { data_type => "bigint", is_nullable => 1 },
+  "custom_fields",
+  { data_type => "jsonb", is_nullable => 0, default_value => \"{}" },
 );
 __PACKAGE__->set_primary_key("port", "ip");