[Feature][convert] Split BigDecimalColumn
- Dominant language
- Java
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Description
### Search before asking
- [X] I had searched in the [issues](https://github.com/DTStack/chunjun/issues) and found no similar feature requirement.
### Description
1. Java.math.bigdecimal (String) constructor has poor performance
2. Now float, double, long, int, short are all transmitted by BigDecimalColumn, the structure is not clear
3. Precision loss occurs when BigDecimal transfers float and double data, such as 3.1234123F
### Use case
_No response_
### Related issues
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### Are you willing to submit a PR?
- [X] Yes I am willing to submit a PR!
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