Fix missing username console death message (#5654) (#5658)

Spigot-Server-Patches/0010-Adventure.patch

@@ -448,7 +448,7 @@ index 0000000000000000000000000000000000000000..caa9708f321f04cd02534161231c0599
 +}
 diff --git a/src/main/java/io/papermc/paper/adventure/PaperAdventure.java b/src/main/java/io/papermc/paper/adventure/PaperAdventure.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..cd2da276c09dcf98c1c50dc66aa30dd3b67b43af
+index 0000000000000000000000000000000000000000..c60457e9240c33a4721b82a00cef081fb320c8a7
 --- /dev/null
 +++ b/src/main/java/io/papermc/paper/adventure/PaperAdventure.java
 @@ -0,0 +1,344 @@
@@ -513,7 +513,7 @@ index 0000000000000000000000000000000000000000..cd2da276c09dcf98c1c50dc66aa30dd3
 +                // calculate argument position
 +                if (argIdx != null) {
 +                    try {
-+                        final int idx = Integer.parseInt(argIdx);
++                        final int idx = Integer.parseInt(argIdx) - 1;
 +                        if (idx < args.size()) {
 +                            consumer.accept(args.get(idx));
 +                        }