all: Add support for embedded struct types in object conversions #935

Job	Run time
golangci-lint	52s
terraform-provider-corner (tfprotov5 / Terraform 0.12.*)	47s
terraform-provider-corner (tfprotov6 / Terraform 1.0.*)	1m 17s
test (Go v1.22)	32s
terraform-provider-corner (tfprotov6 / Terraform 1.1.*)	54s
test (Go v1.21)	22s
terraform-provider-corner (tfprotov5 / Terraform 0.13.*)	1m 10s
terraform-provider-corner (tfprotov6 / Terraform 1.2.*)	58s
terraform-provider-corner (tfprotov5 / Terraform 0.14.*)	1m 6s
terraform-provider-corner (tfprotov6 / Terraform 1.3.*)	50s
terraform-provider-corner (tfprotov5 / Terraform 0.15.*)	1m 3s
terraform-provider-corner (tfprotov5 / Terraform 1.0.*)	59s
terraform-provider-corner (tfprotov6 / Terraform 1.4.*)	1m 3s
terraform-provider-corner (tfprotov5 / Terraform 1.1.*)	50s
terraform-provider-corner (tfprotov5 / Terraform 1.2.*)	50s
terraform-provider-corner (tfprotov6 / Terraform 1.5.*)	57s
terraform-provider-corner (tfprotov5 / Terraform 1.3.*)	55s
terraform-provider-corner (tfprotov6 / Terraform 1.6.*)	1m 0s
terraform-provider-corner (tfprotov5 / Terraform 1.4.*)	48s
terraform-provider-corner (tfprotov6 / Terraform 1.7.*)	59s
terraform-provider-corner (tfprotov5 / Terraform 1.5.*)	46s
terraform-provider-corner (tfprotov6 / Terraform 1.8.*)	1m 6s
terraform-provider-corner (tfprotov5 / Terraform 1.6.*)	47s
terraform-provider-corner (tfprotov6 / Terraform 1.9.*)	1m 11s
terraform-provider-corner (tfprotov5 / Terraform 1.7.*)	56s
terraform-provider-corner (tfprotov5 / Terraform 1.8.*)	1m 7s
terraform-provider-corner (tfprotov5 / Terraform 1.9.*)	1m 3s
	25m 8s

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