Write a Lightning Web Component and an Apex controller to query Invoice__c records and related child Invoice_Line_Item__c records and display records name as tree structure (using HTML ordered list). The Invoice__c records and related child Invoice_Line_Item__c records from Apex should be returned as a Map<> object. 1. Invoice 1 a. Invoice Line Item 1.1 b. Invoice Line Item 1.2 c. Invoice Line Item 1.3 2. Invoice 2 a. Invoice Line Item 2.1 b. Invoice Line Item 2.2 3. Invoice 3 a. Invoice Line Item 3.1 b. Invoice Line Item 3.2 c. Invoice Line Item 3.3 Specifications: 1. The data of Invoices and related 2. The list of Invoice Line Items should be collapsed by default for all invoices. 3. On click of a specific Invoice, its Invoice Line Items should be displayed, and all other existing expanded Invoice should be collapsed. 4. There should be dynamic loading: child records should be loaded dynamically, in chunks of 10 records at a time, to ensure that it can handle large datasets efficiently. View More link should be displayed to add the next 10 Invoice Line Items.
