[TypeSystem] add heap-base property to types (#431)

* support heap base in the type system

* lock around modification of status

test/decompiler/reference/engine/camera/pov-camera-h_REF.gc

@@ -12,9 +12,10 @@
    (music-volume-movie  float   :offset-assert 212)
    (sfx-volume-movie    float   :offset-assert 216)
    )
+  :heap-base #x70
   :method-count-assert 30
   :size-assert         #xdc
-  :flag-assert         #x1e000000dc
+  :flag-assert         #x1e007000dc
   (:methods
     (dummy-20 () none 20)
     (dummy-21 () none 21)

test/decompiler/reference/engine/draw/drawable-ambient-h_REF.gc

@@ -64,9 +64,10 @@
    (last-time          uint64  :offset-assert 152)
    (voicebox           uint64  :offset-assert 160)
    )
+  :heap-base #x40
   :method-count-assert 16
   :size-assert         #xa8
-  :flag-assert         #x10000000a8
+  :flag-assert         #x10004000a8
   (:methods
     (dummy-14 () none 14)
     (dummy-15 () none 15)

test/decompiler/reference/engine/ui/hud-h_REF.gc

@@ -78,9 +78,10 @@
    (nb-of-particles        int32          :offset-assert 248)
    (particles              hud-particle 7 :offset-assert 252)
    )
+  :heap-base #xb0
   :method-count-assert 27
   :size-assert         #x118
-  :flag-assert         #x1b00000118
+  :flag-assert         #x1b00b00118
   (:methods
     (dummy-14 () none 14)
     (dummy-15 () none 15)