ENG-1478: guard getGlobalSetting/getPersonalSetting against empty keys

Author: sid597

apps/roam/src/components/settings/utils/accessors.ts

@@ -724,6 +724,8 @@ export const getGlobalSettings = (): GlobalSettings => {
 export const getGlobalSetting = <T = unknown>(
   keys: string[],
 ): T | undefined => {
+  if (keys.length === 0) return undefined;
+
   if (!isNewSettingsStoreEnabled()) {
     return getLegacyGlobalSetting(keys) as T | undefined;
   }
@@ -788,6 +790,8 @@ export const getPersonalSettings = (): PersonalSettings => {
 export const getPersonalSetting = <T = unknown>(
   keys: string[],
 ): T | undefined => {
+  if (keys.length === 0) return undefined;
+
   if (!isNewSettingsStoreEnabled()) {
     return getLegacyPersonalSetting(keys) as T | undefined;
   }