Bug fixes

• The AWS > VPC > VPC > CMDB, AWS > VPC > Subnet > CMDB, and AWS > VPC > Route Table > CMDB controls could enter an error state when a VPC is shared across accounts with AWS Resource Access Manager. Each account that can see a shared VPC keeps its own copy in the CMDB, and those copies competed to register the same VPC identifier, causing the controls to fail on every run. This has been resolved; the controls now recognize when the identifier is already registered and skip it, so shared VPCs, their subnets, and route tables sync cleanly in every account. Existing errored controls recover automatically on their next run after upgrading — no cleanup is required.