Improve MapPlaylist 🎲 (#3904)

## Description:

### 1. `SPECIAL_MODIFIER_POOL` rebalanced
Ticket weights adjusted to roughly track the community "favorite
modifier" poll

<img width="486" height="724" alt="Screenshot 2026-05-11 210740"
src="https://github.com/user-attachments/assets/bb1d2461-beb3-41c0-8d7b-b604db5fc033"
/>

- `isRandomSpawn`: 2 to 4
- `goldMultiplier`: 4 to 6
- `isWaterNukes`: 3 to 4
- `startingGold25M`: 1 to 3
- `startingGold5M`: 5 to 4
- `startingGold1M`: 3 to 2

### 2. New `SPECIAL_TEAM_MAPS` config
Replaces the hardcoded per-map branches in `getTeamCount` and
`buildMapsList`. Each entry maps a `GameMapType` to its preferred
`TeamCountConfig`. Shared constants:
- `SPECIAL_TEAM_FORCE_CHANCE = 0.75` (probability of overriding the
random team weights roll)
- `SPECIAL_TEAM_FREQ_MULTIPLIER = 2` (frequency boost in the team
playlist)

Current entries: Baikal (2), FourIslands (4), Luna (2). Behavior
preserved for the existing maps, but adding another special team map is
now a one-line entry.

### 3. New `FULL_LAND_MAPS` config (TheBox, Alps)
- Water nukes forced on 75% of the time in the special rotation
(overrides `WATER_NUKES_BOOSTED_MAPS`, which still applies its 50% boost
to FourIslands, Baikal, Luna, ArchipelagoSea). Because they make a lot
of fun on these two maps.
- The `isPortsDisabled` modifier is excluded unless water nukes is
boosted on, since ports are pointless on full-land maps. Because this
happened:
<img width="516" height="292" alt="image"
src="https://github.com/user-attachments/assets/cd9ce31d-25d0-4b35-a8ba-bb3ec1c02b70"
/>

### 4. Misc
- Renamed `frequency` constant to `FREQUENCY` for consistency with other
module-level constants.

### 5. Exclude `isNukesDisabled` on special team maps in team mode

On `SPECIAL_TEAM_MAPS` (FourIslands, Baikal, Luna) in team mode, the
`isNukesDisabled` modifier is now excluded from the pool. Otherwise an
extreme warship spam will follow.

## Please complete the following:

- [X] I have added screenshots for all UI updates
- [X] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [X] I have added relevant tests to the test directory
- [X] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced

## Please put your Discord username so you can be contacted if a bug or
regression is found:

FloPinguin

tests/MapConsistency.test.ts

@@ -71,7 +71,7 @@ function getCategorizedMaps(): Set<string> {
 function getFrequencyKeys(): Set<string> {
   const content = fs.readFileSync(MAP_PLAYLIST, "utf8");
   // Extract the frequency block
-  const freqMatch = content.match(/const frequency[\s\S]*?\{([\s\S]*?)\};/);
+  const freqMatch = content.match(/const FREQUENCY[\s\S]*?\{([\s\S]*?)\};/);
   if (!freqMatch) {
     throw new Error(
       `Failed to parse frequency record from MapPlaylist.ts (first 200 chars: ${content.slice(0, 200)})`,