Makes parachuting easier

Basically makes it so that the throwdown step trigger only applies when you step far enough away from the shuttle to clear the engine block

maps/tether/submaps/tether_ships.dmm

@@ -5560,9 +5560,9 @@ eO
 eO
 hd
 hd
-eO
-eO
-eO
+gU
+gU
+gU
 hd
 hd
 eO
@@ -5586,9 +5586,9 @@ hj
 hj
 fg
 fg
-hj
-hj
-hj
+et
+et
+et
 fg
 fg
 hj
@@ -5612,9 +5612,9 @@ hz
 hz
 hq
 hq
-hz
-hz
-hz
+hp
+hp
+hp
 hq
 hq
 hz
@@ -5703,7 +5703,7 @@ eO
 eO
 eO
 eO
-gU
+eO
 eO
 eO
 eO
@@ -5755,7 +5755,7 @@ hz
 hz
 hz
 hz
-hp
+hz
 hz
 hz
 hz
@@ -8994,9 +8994,9 @@ ho
 ho
 gP
 gP
-ho
-ho
-ho
+hc
+hc
+hc
 gP
 gP
 ho
@@ -9020,9 +9020,9 @@ hD
 hD
 he
 he
-hD
-hD
-hD
+aa
+aa
+aa
 he
 he
 hD
@@ -9137,7 +9137,7 @@ ho
 ho
 ho
 ho
-hc
+ho
 ho
 ho
 ho
@@ -9163,7 +9163,7 @@ hD
 hD
 hD
 hD
-aa
+hD
 hD
 hD
 hD