bolt11: fix bug where text not showing after invoice

Changelog-Fixed: Fix but where text was not showing after invoices

damus-c/damus.c

@@ -241,7 +241,7 @@ static int parse_invoice(struct cursor *cur, struct block *block) {
     block->block.invoice.invstr.end = (const char*)end;
     block->block.invoice.bolt11 = bolt11;
     
-    cur->p += end - start;
+    cur->p = end;
     
     return 1;
 }

damusTests/InvoiceTests.swift

@@ -36,17 +36,14 @@ final class InvoiceTests: XCTestCase {
     
     func testTextAfterInvoice() throws {
         let invstr = """
-LNBC1P3MR5UJSP5G7SA48YD4JWTTPCHWMY4QYN4UWZQCJQ8NMWKD6QE3HCRVYTDLH9SPP57YM9TSA9NN4M4XU59XMJCXKR7YDV29DDP6LVQUT46ZW6CU3KE9GQDQ9V9H8JXQ8P3MYLZJCQPJRZJQF60PZDVNGGQWQDNERZSQN35L8CVQ3QG2Z5NSZYD0D3Q0JW2TL6VUZA7FYQQWKGQQYQQQQLGQQQQXJQQ9Q9QXPQYSGQ39EM4QJMQFKZGJXZVGL7QJMYNSWA8PGDTAGXXRG5Z92M7VLCGKQK2L2THDF8LM0AUKAURH7FVAWDLRNMVF38W4EYJDNVN9V4Z9CRS5CQCV465C
-
-hi there
+LNBC1P3MR5UJSP5G7SA48YD4JWTTPCHWMY4QYN4UWZQCJQ8NMWKD6QE3HCRVYTDLH9SPP57YM9TSA9NN4M4XU59XMJCXKR7YDV29DDP6LVQUT46ZW6CU3KE9GQDQ9V9H8JXQ8P3MYLZJCQPJRZJQF60PZDVNGGQWQDNERZSQN35L8CVQ3QG2Z5NSZYD0D3Q0JW2TL6VUZA7FYQQWKGQQYQQQQLGQQQQXJQQ9Q9QXPQYSGQ39EM4QJMQFKZGJXZVGL7QJMYNSWA8PGDTAGXXRG5Z92M7VLCGKQK2L2THDF8LM0AUKAURH7FVAWDLRNMVF38W4EYJDNVN9V4Z9CRS5CQCV465C  hi there
 """
         let parsed = parse_mentions(content: invstr, tags: [])
         
         XCTAssertNotNil(parsed)
         XCTAssertEqual(parsed.count, 2)
-        print(parsed)
         XCTAssertNotNil(parsed[0].is_invoice)
-        XCTAssertNotNil(parsed[1].is_text, "hi there")
+        XCTAssertEqual(parsed[1].is_text, "  hi there")
         guard let invoice = parsed[0].is_invoice else {
             return
         }