rename EntityId to BuildingId

src/test/BehaviorSystemTest.cpp

@@ -32,7 +32,7 @@ struct Fixture
 {
     GameConfig     cfg;
     BeltSystem     belts;
-    EntityId       nextId;
+    BuildingId       nextBuildingId;
     int            stock;
     std::mt19937   rng;
     EntityAdmin    admin;
@@ -46,11 +46,11 @@ struct Fixture
     explicit Fixture()
         : cfg(loadConfig())
         , belts(cfg.world.beltSpeedTilesPerSecond)
-        , nextId(1)
+        , nextBuildingId(1)
         , stock(0)
         , rng(42)
         , buildings(cfg, belts,
-                    [this]() { return nextId++; },
+                    [this]() { return nextBuildingId++; },
                     [this](int n) { stock += n; },
                     [](const std::string&, QVector2D, const std::optional<ShipLayoutConfig>&) {},
                     rng)
@@ -365,7 +365,7 @@ TEST_CASE("BehaviorSystem: full-cargo salvage ship moves toward SalvageBay", "[b
 {
     Fixture f;
 
-    const EntityId bayId = f.buildings.place(BuildingType::SalvageBay,
+    const BuildingId bayId = f.buildings.place(BuildingType::SalvageBay,
                                               QPoint(-4, 0), Rotation::East, 0);
     Tick t = 0;
     for (int i = 0; i < 500; ++i)