android: the room list filtered by name, the rest on demand

Soulseek lists hundreds of rooms; the phone showed the first 80 and no way
to the rest. Community → Rooms now has a filter by name and extends the
list 200 at a time.

src/lib/mockLibrary.js

@@ -376,7 +376,7 @@ const later = (ms, fn) => setTimeout(fn, ms);
 if (enabled && typeof window !== "undefined") window.__ssMock = { emit: mockEmit };
 
 const MOCK_USER = "mockuser";
-const ROOMS = [["Lounge", 412], ["Electronic", 98], ["Vinyl Rips", 37], ["Jazz", 61], ["Lossless Only", 23]];
+const ROOMS = [["Lounge", 412], ["Electronic", 98], ["Vinyl Rips", 37], ["Jazz", 61], ["Lossless Only", 23], ...Array.from({ length: 90 }, (_, i) => ["Room " + (i + 1), 90 - i])];
 const PEOPLE = ["ada", "bo", "cy", "dee"];
 const LINES = ["anyone got the 2024 remaster?", "the vinyl rip is warmer imo", "that folder is complete btw", "brb"];
 const PEERS = [