fix(flatbuffers): use manual impl Default for struct object types (#8947)

* fix(flatbuffers): use manual impl Default for struct object types

* fix: handle bool and float zero literals in struct object Default impl

* fix: regenerate all test bindings with generate_code.py

* fix: data type check on swift build

* fix: test large array on struct and enum

tests/include_test2_generated.rs

@@ -358,10 +358,17 @@ pub mod my_game {
             }
         }
 
-        #[derive(Debug, Clone, PartialEq, Default)]
+        #[derive(Debug, Clone, PartialEq)]
         pub struct UnusedT {
             pub a: i32,
         }
+        impl Default for UnusedT {
+            fn default() -> Self {
+                Self {
+                    a: 0,
+                }
+            }
+        }
 
         impl UnusedT {
             pub fn pack(&self) -> Unused {