Remove explicit type annotations causing type inference issues

Co-authored-by: bedaHovorka <5263405+bedaHovorka@users.noreply.github.com>

Author: Copilot

src/test/kotlin/cz/vutbr/fit/interlockSim/context/DefaultRailWayNetGridTest.kt

@@ -534,7 +534,7 @@ class DefaultRailWayNetGridTest {
 				Point(8, 8), Point(9, 9)
 			)
 			val parts = intermediatePoints.map { createTestTrackBlockPart() }
-			val map: Map<Point, TrackBlockPart> = intermediatePoints.zip(parts).toMap()
+			val map = intermediatePoints.zip(parts).toMap()
 			grid.putMap(map)
 
 			// Act & Assert - all points should pass containsKey check
@@ -586,7 +586,7 @@ class DefaultRailWayNetGridTest {
 				Point(5, 5), Point(6, 6)
 			)
 			val parts = intermediatePoints.map { createTestTrackBlockPart() }
-			val map: Map<Point, TrackBlockPart> = intermediatePoints.zip(parts).toMap()
+			val map = intermediatePoints.zip(parts).toMap()
 			grid.putMap(map)
 
 			// Act - remove all intermediate cells (simulates removeLine scenario)