feat: Refactor company and job management to include company nature

- Added companyNature field to Company entity and updated related services and mappers.
- Removed jobNature field from Job and ESJobDocument entities as it is no longer needed.
- Updated CompanyController to handle current company information and synchronization of account codes.
- Enhanced CompanyServiceImpl to manage company nature changes and synchronize related job postings.
- Updated SQL migrations to add company nature field and associated business dictionary entries.
- Refactored job-related services to ensure they reflect the latest company nature information.

ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/ESJobDocument.java

@@ -120,9 +120,6 @@ public class ESJobDocument
     @IndexField(fieldType = FieldType.TEXT, analyzer = Analyzer.IK_SMART, searchAnalyzer = Analyzer.IK_SMART)
     private String jobCategory;
 
-    @ApiModelProperty("岗位性质，对应业务字典 job_nature")
-    private String jobNature;
-
     @JsonIgnore
     @ApiModelProperty("学历要求 对应字典education int类型 es方便查询")
     private Integer education_int;

ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/Job.java

@@ -148,10 +148,6 @@ public class Job extends BaseEntity
     @ApiModelProperty("岗位分类")
     private String jobCategory;
 
-    @Excel(name = "岗位性质")
-    @ApiModelProperty("岗位性质，对应业务字典 job_nature")
-    private String jobNature;
-
     @TableField(exist = false)
     @ApiModelProperty("公司性质")
     private String companyNature;