MinItems and MaxItems of Block are not set and causing diff error when to initialize mux server

[k-yomo]

Module version

v1.0.0

Relevant provider source code

terraform-plugin-framework/internal/toproto5/block.go

Lines 12 to 15 in 4250f76

	// Block returns the *tfprotov5.SchemaNestedBlock equivalent of a Block.
	// Errors will be tftypes.AttributePathErrors based on `path`. `name` is the
	// name of the attribute.
	func Block(ctx context.Context, name string, path *tftypes.AttributePath, b fwschema.Block) (*tfprotov5.SchemaNestedBlock, error) {

Expected Behavior

MinItems and MaxItems are set

Actual Behavior

MinItems and MaxItems are not set and it causes below diff error between sdk v2 provider and framework provider.

2022/12/18 13:52:14 initialize mux server: got a different provider schema across servers. Provider schemas must be identical across providers. Diff:   &tfprotov5.Schema{
  	Version: 0,
  	Block: &tfprotov5.SchemaBlock{
  		Version:    0,
  		Attributes: nil,
  		BlockTypes: []*tfprotov5.SchemaNestedBlock{
  			&{
  				... // 2 identical fields
  				Nesting:  s"LIST",
  				MinItems: 0,
- 				MaxItems: 0,
+ 				MaxItems: 1,
  			},
  		},
  		Description:     "",
  		DescriptionKind: s"PLAIN",
  		Deprecated:      false,
  	},
  }

https://github.com/elastic/terraform-provider-elasticstack/actions/runs/3725132416/jobs/6317745179

Steps to Reproduce

	servers := []func() tfprotov5.ProviderServer{
		sdkv2Provider.GRPCProvider,
		fwProvider,
	}

	muxServer, err := tf5muxserver.NewMuxServer(ctx, servers...)
	if err != nil {
		return nil, fmt.Errorf("initialize mux server: %w", err)
	}

References

• all: Remove remaining Block-based MaxItems and MinItems functionality #577

[k-yomo]

Close since it seems mux side issue
hashicorp/terraform-plugin-mux#117 (comment)

[github-actions]

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