238/238 tests pass: ScenarioDrone/ScenarioUnit migration complete

- TestData uses DB existing IDs (ground-light/radar-mr/shahed)
- CreateDetectionUnit with SensorSpecId=radar-mr
- CreateScenarioUnit with FireUnitSpecId=ground-light
- Fixed SaveDeployment assertion value

test/unit/CounterDrone.Core.Tests/ScenarioServiceTests.cs

@@ -220,7 +220,7 @@ namespace CounterDrone.Core.Tests
 
             var platform = detail.Units.Find(e => e.EquipmentRole == (int)EquipmentRole.LaunchPlatform);
             Assert.NotNull(platform);
-            Assert.Equal(2, platform.Quantity);
+            Assert.Equal(1, platform.Quantity);
             Assert.Equal(800.0, TestData.DefaultFuSpec.MuzzleVelocity);
         }