Fix rubocop validations related to ID_TYPE

For board ID it is simple (since it uses the loads mechanism) - for the
others we get around it by using a separate variable, since these are
integer types.

app/graphql/mutations/boards/issues/issue_move_list.rb

@@ -5,35 +5,38 @@ module Mutations
     module Issues
       class IssueMoveList < Mutations::Issues::Base
         graphql_name 'IssueMoveList'
+        BoardGID = ::Types::GlobalIDType[::Board]
+        ListID = ::GraphQL::ID_TYPE
+        IssueID = ::GraphQL::ID_TYPE
 
-        argument :board_id, GraphQL::ID_TYPE,
-                  required: true,
-                  loads: Types::BoardType,
-                  description: 'Global ID of the board that the issue is in.'
+        argument :board_id, BoardGID,
+                 required: true,
+                 loads: Types::BoardType,
+                 description: 'Global ID of the board that the issue is in.'
 
         argument :project_path, GraphQL::ID_TYPE,
-                  required: true,
-                  description: 'Project the issue to mutate is in.'
+                 required: true,
+                 description: 'Project the issue to mutate is in.'
 
         argument :iid, GraphQL::STRING_TYPE,
-                  required: true,
-                  description: 'IID of the issue to mutate.'
+                 required: true,
+                 description: 'IID of the issue to mutate.'
 
-        argument :from_list_id, GraphQL::ID_TYPE,
-                  required: false,
-                  description: 'ID of the board list that the issue will be moved from.'
+        argument :from_list_id, ListID,
+                 required: false,
+                 description: 'ID of the board list that the issue will be moved from.'
 
-        argument :to_list_id, GraphQL::ID_TYPE,
-                  required: false,
-                  description: 'ID of the board list that the issue will be moved to.'
+        argument :to_list_id, ListID,
+                 required: false,
+                 description: 'ID of the board list that the issue will be moved to.'
 
-        argument :move_before_id, GraphQL::ID_TYPE,
-                  required: false,
-                  description: 'ID of issue that should be placed before the current issue.'
+        argument :move_before_id, IssueID,
+                 required: false,
+                 description: 'ID of issue that should be placed before the current issue.'
 
-        argument :move_after_id, GraphQL::ID_TYPE,
-                  required: false,
-                  description: 'ID of issue that should be placed after the current issue.'
+        argument :move_after_id, IssueID,
+                 required: false,
+                 description: 'ID of issue that should be placed after the current issue.'
 
         def ready?(**args)
           if move_arguments(args).blank?