core: Explain what global setting we're setting when we ask permission.

core/core.js

@@ -337,7 +337,7 @@ async function getProcessBlob(blobId, key, options) {
 			};
 			if (process.credentials?.permissions?.administration) {
 				imports.core.globalSettingsSet = async function (key, value) {
-					await imports.core.permissionTest('set_global_setting');
+					await imports.core.permissionTest('set_global_setting', `Set ${JSON.stringify(key)} to ${JSON.stringify(value)}.`);
 					print('Setting', key, value);
 					let settings = await loadSettings();
 					settings[key] = value;