Refactor file names based on BETA10 (#1064)

* Refactor file names based on BETA10

* Extract LegoDeviceEnumerate to dedicated file

* Fix compiler errors

* Migrate contiguous block of code to `LegoDeviceEnumerate`

---------

Co-authored-by: jonschz <jonschz@users.noreply.github.com>

LEGO1/lego/legoomni/src/actors/act3actors.cpp

@@ -0,0 +1,23 @@
+#include "act3actors.h"
+
+DECOMP_SIZE_ASSERT(Act3Actor, 0x178)
+
+// STUB: LEGO1 0x1003fa50
+Act3Actor::Act3Actor()
+{
+	m_unk0x1c = 0;
+}
+
+// STUB: LEGO1 0x1003fb70
+MxU32 Act3Actor::VTable0x90(float, Matrix4&)
+{
+	// TODO
+	return FALSE;
+}
+
+// STUB: LEGO1 0x1003fd90
+MxResult Act3Actor::VTable0x94(LegoPathActor*, MxBool)
+{
+	// TODO
+	return 0;
+}