API - allow search of a group using its name (#6066)

server/routes/api/groups/schema.ts

@@ -24,6 +24,9 @@ export const GroupsListSchema = z.object({
 
     /** Only list groups where this user is a member */
     userId: z.string().uuid().optional(),
+
+    /** Find group with matching name */
+    name: z.string().optional(),
   }),
 });