fix(i18n): numbers, units, dates and order in the UI language, and after a switch (E30 S3)

Every locale formatter takes the language as an argument. Under the React
Compiler a formatter that read the i18n singleton was memoized on its other
arguments, so a card kept "2 hr 4 min" after a switch to Hungarian; plexLang()
had the same flaw and left Plex queries in the old language. Components now
take the language from useTranslation, and the signature makes forgetting it
a type error.

- ratings, file sizes, stream stats: the language's decimal mark ("8,3")
- view and subscriber counts compact in the language ("1,2 E")
- seconds as the language's unit ("6 mp") in the sliders and the stats
- a person's birth and death dates as dates, not ISO strings
- A-Z lists by the shown name in the language's alphabet (compareText),
  the tag catalog re-sorted by its translated names
- lint local/locale-format (was date-format) also refuses Intl.NumberFormat
  outside lib/format.ts, localeCompare, and a component reading the language
  off the i18n singleton

frontend/src/lib/playlistView.test.ts

@@ -46,17 +46,17 @@ describe("applyView", () => {
   ];
 
   it("returns the stored order untouched with no sort and no grouping", () => {
-    expect(applyView(rows, columns, null, false)).toBe(rows);
+    expect(applyView(rows, columns, null, false, "en")).toBe(rows);
   });
 
   it("sorts by the named column", () => {
-    expect(titles(applyView(rows, columns, { key: "title", dir: "asc" }, false))).toEqual([
+    expect(titles(applyView(rows, columns, { key: "title", dir: "asc" }, false, "en"))).toEqual([
       "alpha",
       "bravo",
       "charlie",
       "delta",
     ]);
-    expect(titles(applyView(rows, columns, { key: "title", dir: "desc" }, false))).toEqual([
+    expect(titles(applyView(rows, columns, { key: "title", dir: "desc" }, false, "en"))).toEqual([
       "delta",
       "charlie",
       "bravo",
@@ -65,7 +65,7 @@ describe("applyView", () => {
   });
 
   it("groups by channel, ordering the groups by name and sorting within each", () => {
-    expect(titles(applyView(rows, columns, { key: "title", dir: "asc" }, true))).toEqual([
+    expect(titles(applyView(rows, columns, { key: "title", dir: "asc" }, true, "en"))).toEqual([
       "alpha", // Alpha
       "bravo", // Alpha
       "charlie", // Beta
@@ -74,7 +74,7 @@ describe("applyView", () => {
   });
 
   it("reverses the GROUP order too when the sort is descending", () => {
-    expect(titles(applyView(rows, columns, { key: "title", dir: "desc" }, true))).toEqual([
+    expect(titles(applyView(rows, columns, { key: "title", dir: "desc" }, true, "en"))).toEqual([
       "delta", // Beta first, because the direction flips the group order as well
       "charlie",
       "bravo", // then Alpha
@@ -83,7 +83,7 @@ describe("applyView", () => {
   });
 
   it("groups without a sort by keeping each group's stored order", () => {
-    expect(titles(applyView(rows, columns, null, true))).toEqual([
+    expect(titles(applyView(rows, columns, null, true, "en"))).toEqual([
       "alpha",
       "bravo",
       "delta",
@@ -93,11 +93,9 @@ describe("applyView", () => {
 
   it("parks unknown durations at the end of an ascending sort, not at zero", () => {
     const mixed = [v("1", "long", "A", 900), v("2", "live", "A", null), v("3", "short", "A", 30)];
-    expect(titles(applyView(mixed, columns, { key: "duration", dir: "asc" }, false))).toEqual([
-      "short",
-      "long",
-      "live",
-    ]);
+    expect(titles(applyView(mixed, columns, { key: "duration", dir: "asc" }, false, "en"))).toEqual(
+      ["short", "long", "live"],
+    );
   });
 });