Tweak shuttle movement (#6468)

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

Content.Server/Shuttles/Components/ThrusterComponent.cs

@@ -47,9 +47,9 @@ namespace Content.Server.Shuttles.Components
         /// </summary>
         public bool IsOn;
 
-        [ViewVariables]
-        [DataField("impulse")]
-        public float Impulse = 450f;
+        [ViewVariables(VVAccess.ReadWrite)]
+        [DataField("thrust")]
+        public float Thrust = 750f;
 
         [ViewVariables]
         [DataField("thrusterType")]
@@ -68,6 +68,9 @@ namespace Content.Server.Shuttles.Components
         /// </summary>
         [ViewVariables] [DataField("damage")] public DamageSpecifier? Damage = new();
 
+        [ViewVariables] [DataField("requireSpace")]
+        public bool RequireSpace = true;
+
         // Used for burns
 
         public List<EntityUid> Colliding = new();