d/jak2: finish cty-guard-turret-button | race-h | height-map-h and a lot of rigid-body (#1957)

Also cleaned up `data_decompiler.cpp` to make it a lot less verbose to
add a special case for an array field.

test/decompiler/test_FormExpressionBuild.cpp

@@ -4,7 +4,7 @@
 
 using namespace decompiler;
 
-TEST_F(FormRegressionTestJak1, DraftExprIdentity) {
+TEST_F(FormRegressionTestJak1, ExprIdentity) {
   std::string func =
       "    sll r0, r0, 0\n"
       "    or v0, a0, r0\n"