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/monster_test_serialize/my_game/example/test_generated.rs

@@ -163,11 +163,19 @@ impl<'a> Test {
     }
 }
 
-#[derive(Debug, Clone, PartialEq, Default)]
+#[derive(Debug, Clone, PartialEq)]
 pub struct TestT {
     pub a: i16,
     pub b: i8,
 }
+impl Default for TestT {
+    fn default() -> Self {
+        Self {
+            a: 0,
+            b: 0,
+        }
+    }
+}
 
 impl TestT {
     pub fn pack(&self) -> Test {