tr2/camera: reset last camera on initialise

This resets the last camera on initialisation to prevent issues when
levels begin with an in-game cutscene and then immediately move to a
fixed camera.

Resolves #2129.

docs/tr2/CHANGELOG.md

@@ -10,6 +10,7 @@
 - fixed Lara prioritising throwing a spent flare while mid-air, so to avoid missing ledge grabs (#1989)
 - fixed software renderer not applying underwater tint (#2066, regression from 0.7)
 - fixed some enemies not looking at Lara (#2080, regression from 0.6)
+- fixed the camera getting stuck at the start of Home Sweet Home (#2129, regression from 0.7)
 
 ## [0.7.1](https://github.com/LostArtefacts/TRX/compare/tr2-0.7...tr2-0.7.1) - 2024-12-17
 - fixed a crash when selecting the sound option (#2057, regression from 0.6)

src/tr2/game/camera.c

@@ -30,6 +30,7 @@
 
 void Camera_Initialise(void)
 {
+    g_Camera.last = NO_CAMERA;
     Camera_ResetPosition();
     Output_AlterFOV(GAME_FOV * PHD_DEGREE);
     Camera_Update();