LibJS: Set both {minimum, maximum}FractionDigits in Intl.DurationFormat

This is a normative change in the Intl.DurationFormat spec.

See: https://github.com/tc39/proposal-intl-duration-format/commit/b293603e

Userland/Libraries/LibJS/Runtime/Intl/DurationFormat.cpp

@@ -378,7 +378,10 @@ ThrowCompletionOr<Vector<PatternPartition>> partition_duration_format_pattern(Gl
             // iii. Perform ! CreateDataPropertyOrThrow(nfOpts, "maximumFractionDigits", durationFormat.[[FractionalDigits]]).
             MUST(number_format_options->create_data_property_or_throw(vm.names.maximumFractionDigits, duration_format.has_fractional_digits() ? Value(duration_format.fractional_digits()) : js_undefined()));
 
-            // iv. Set done to true.
+            // iv. Perform ! CreateDataPropertyOrThrow(nfOpts, "minimumFractionDigits", durationFormat.[[FractionalDigits]]).
+            MUST(number_format_options->create_data_property_or_throw(vm.names.minimumFractionDigits, duration_format.has_fractional_digits() ? Value(duration_format.fractional_digits()) : js_undefined()));
+
+            // v. Set done to true.
             done = true;
         }
         // l. Else,

Userland/Libraries/LibJS/Tests/builtins/Intl/DurationFormat/DurationFormat.prototype.format.js

@@ -38,7 +38,7 @@ describe("correct behavior", () => {
             new Intl.DurationFormat("en", {
                 style: "narrow",
                 nanoseconds: "numeric",
-                fractionalDigits: 7,
+                fractionalDigits: 3,
             }).format(duration)
         ).toBe("1y, 2m, 3w, 3d, 4h, 5m, 6s, 7ms, and 8.009μs");
 
@@ -58,7 +58,7 @@ describe("correct behavior", () => {
             new Intl.DurationFormat("de", {
                 style: "narrow",
                 nanoseconds: "numeric",
-                fractionalDigits: 7,
+                fractionalDigits: 3,
             }).format(duration)
         ).toBe("1 J, 2 M, 3 W, 3 T, 4 Std., 5 Min., 6 Sek., 7 ms und 8,009 μs");
     });

Userland/Libraries/LibJS/Tests/builtins/Intl/DurationFormat/DurationFormat.prototype.formatToParts.js

@@ -138,7 +138,7 @@ describe("correct behavior", () => {
             new Intl.DurationFormat("en", {
                 style: "narrow",
                 nanoseconds: "numeric",
-                fractionalDigits: 7,
+                fractionalDigits: 3,
             }).formatToParts(duration)
         ).toEqual([
             { type: "element", value: "1y" },
@@ -240,7 +240,7 @@ describe("correct behavior", () => {
             new Intl.DurationFormat("de", {
                 style: "narrow",
                 nanoseconds: "numeric",
-                fractionalDigits: 7,
+                fractionalDigits: 3,
             }).formatToParts(duration)
         ).toEqual([
             { type: "element", value: "1 J" },