[TS migration] Migrate 'WorkspaceMembers' page to TypeScript

src/components/SelectionList/types.ts

@@ -145,7 +145,7 @@ type BaseSelectionListProps<TItem extends User | RadioItem> = Partial<ChildrenPr
     onSelectAll?: () => void;
 
     /** Callback to fire when an error is dismissed */
-    onDismissError?: () => void;
+    onDismissError?: (item: TItem) => void;
 
     /** Label for the text input */
     textInputLabel?: string;

src/libs/PolicyUtils.ts

@@ -97,7 +97,7 @@ function shouldShowPolicy(policy: OnyxEntry<Policy>, isOffline: boolean): boolea
     );
 }
 
-function isExpensifyTeam(email: string): boolean {
+function isExpensifyTeam(email: string | undefined): boolean {
     const emailDomain = Str.extractEmailDomain(email ?? '');
     return emailDomain === CONST.EXPENSIFY_PARTNER_NAME || emailDomain === CONST.EMAIL.GUIDES_DOMAIN;
 }