[Console][Table] Fix cell padding with multi-byte

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | N/A
| License       | MIT
| Doc PR        | N/A

When the `TableHelper` dealing with East Asian text, it renders wrong widths. This fixes that problem.