Redesgin ToolOperationConfig so types are known for single/multiple/custom tools (#4221)

# Description of Changes
Redesigns `ToolOperationConfig` so that the types of the functions are
always known depending on whether the tool runs on single files,
multiple files, or uses custom behaviour

frontend/src/hooks/tools/changePermissions/useChangePermissionsOperation.ts

@@ -1,5 +1,5 @@
 import { useTranslation } from 'react-i18next';
-import { useToolOperation } from '../shared/useToolOperation';
+import { ToolType, useToolOperation } from '../shared/useToolOperation';
 import { createStandardErrorHandler } from '../../../utils/toolErrorHandler';
 import { ChangePermissionsParameters, defaultParameters } from './useChangePermissionsParameters';
 
@@ -24,11 +24,11 @@ export const buildChangePermissionsFormData = (parameters: ChangePermissionsPara
 
 // Static configuration object
 export const changePermissionsOperationConfig = {
+  toolType: ToolType.singleFile,
+  buildFormData: buildChangePermissionsFormData,
   operationType: 'change-permissions',
   endpoint: '/api/v1/security/add-password', // Change Permissions is a fake endpoint for the Add Password tool
-  buildFormData: buildChangePermissionsFormData,
   filePrefix: 'permissions_',
-  multiFileEndpoint: false,
   defaultParameters,
 } as const;
 
@@ -39,6 +39,6 @@ export const useChangePermissionsOperation = () => {
     ...changePermissionsOperationConfig,
     getErrorMessage: createStandardErrorHandler(
       t('changePermissions.error.failed', 'An error occurred while changing PDF permissions.')
-    )
+    ),
   });
 };