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/private_annotation_test/object_generated.rs

@@ -116,10 +116,17 @@ impl<'a> Object {
     }
 }
 
-#[derive(Debug, Clone, PartialEq, Default)]
+#[derive(Debug, Clone, PartialEq)]
 pub(crate) struct ObjectT {
     pub value: i32,
 }
+impl Default for ObjectT {
+    fn default() -> Self {
+        Self {
+            value: 0,
+        }
+    }
+}
 
 impl ObjectT {
     pub fn pack(&self) -> Object {