Add DONTBOUNCEONSHOOTABLES flag to various projectiles that seem to need it.

zscript/eightball.zsc

@@ -225,6 +225,7 @@ Class UTGrenade : UTRocket
 		-EXPLODEONWATER;
 		+CANBOUNCEWATER;
 		+NOEXPLODEFLOOR;
+		+DONTBOUNCEONSHOOTABLES;
 		BounceType "Hexen";
 		WallBounceFactor 0.75;
 		BounceFactor 0.75;

zscript/flakcannon.zsc

@@ -178,6 +178,7 @@ Class FlakChunk : Actor
 		+SKYEXPLODE;
 		+INTERPOLATEANGLES;
 		+HITTRACER;
+		+DONTBOUNCEONSHOOTABLES;
 		Scale 0.3;
 	}
 	override void PostBeginPlay()

zscript/ripper.zsc

@@ -69,6 +69,7 @@ Class Razor2 : Actor
 		+SKYEXPLODE;
 		+CANBOUNCEWATER;
 		+NODAMAGETHRUST;
+		+DONTBOUNCEONSHOOTABLES;
 	}
 	override void PostBeginPlay()
 	{

zscript/translocator.zsc

@@ -133,6 +133,7 @@ Class TranslocatorModule : Actor
 		+CANBOUNCEWATER;
 		+BLOCKASPLAYER;
 		-ALLOWBOUNCEONACTORS;
+		+DONTBOUNCEONSHOOTABLES;
 		BounceType "Hexen";
 		BounceFactor 0.3;
 		WallBounceFactor 0.3;