Indexed Preexecution Errors

[JohnReedV]

Description

This PR modifies the preexecution error codes to ensure that the code matches its index in the metadata.

Related Issue(s)

• Closes #[issue number]

Type of Change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [x] Documentation update
• [ ] Other (please describe):

Breaking Change

• [x] SDK PR https://github.com/opentensor/bittensor/pull/2305
• [ ] CLI PR ...