refactor(orm)!: update to new module schema descriptor (#11273)

## Description

Follow-up to #11119 to update the ORM code to use these definitions.



---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

orm/model/ormtable/table_impl.go

@@ -48,7 +48,7 @@ func (t tableImpl) GetIndexByID(id uint32) Index {
 }
 
 func (t tableImpl) Save(ctx context.Context, message proto.Message) error {
-	backend, err := t.getBackend(ctx)
+	backend, err := t.getWriteBackend(ctx)
 	if err != nil {
 		return err
 	}
@@ -57,7 +57,7 @@ func (t tableImpl) Save(ctx context.Context, message proto.Message) error {
 }
 
 func (t tableImpl) Insert(ctx context.Context, message proto.Message) error {
-	backend, err := t.getBackend(ctx)
+	backend, err := t.getWriteBackend(ctx)
 	if err != nil {
 		return err
 	}
@@ -66,7 +66,7 @@ func (t tableImpl) Insert(ctx context.Context, message proto.Message) error {
 }
 
 func (t tableImpl) Update(ctx context.Context, message proto.Message) error {
-	backend, err := t.getBackend(ctx)
+	backend, err := t.getWriteBackend(ctx)
 	if err != nil {
 		return err
 	}
@@ -287,7 +287,7 @@ func (t tableImpl) ValidateJSON(reader io.Reader) error {
 }
 
 func (t tableImpl) ImportJSON(ctx context.Context, reader io.Reader) error {
-	backend, err := t.getBackend(ctx)
+	backend, err := t.getWriteBackend(ctx)
 	if err != nil {
 		return err
 	}
@@ -392,7 +392,7 @@ func (t tableImpl) ID() uint32 {
 }
 
 func (t tableImpl) Has(ctx context.Context, message proto.Message) (found bool, err error) {
-	backend, err := t.getReadBackend(ctx)
+	backend, err := t.getBackend(ctx)
 	if err != nil {
 		return false, err
 	}
@@ -405,7 +405,7 @@ func (t tableImpl) Has(ctx context.Context, message proto.Message) (found bool,
 // set on the message. Other fields besides the primary key fields will not
 // be used for retrieval.
 func (t tableImpl) Get(ctx context.Context, message proto.Message) (found bool, err error) {
-	backend, err := t.getReadBackend(ctx)
+	backend, err := t.getBackend(ctx)
 	if err != nil {
 		return false, err
 	}