Support pause/resume in full copy

[Dinosauria]

Description

In full copy, Pause is supposed, While Resume seem to start copying again from the first row of src.

Steps to reproduce the issue:

1. create a table sbtest1 with 10000000 recodes
2. post a job for the table sbtest1
3. when there are 5257040 recodes in dest, Pause the job, then job Paused, recodes in dest stop incresing.
4. but when resume the job, there are still 5257040 recodes in dest in spite of dtle.log keep renew records from the first row of table sbtest1

Describe the results you received:

Describe the results you expected:

Output of ./dtle version:

Dtle 2.18.11.0 (git: 2.18.11.0 603ccda7c50526efe8a0ad1cf7316919abfdbdff)

Additional details (log, config, job config etc):

1. job config:

{
    "Name":"job7--8",
    "Failover":true,
    "Orders":[],
    "Type":"synchronous",
    "Tasks":[
        {
            "Type":"Src",
            "NodeId":"924c96fc-8b81-0372-1c21-1e144970036e",
            "Config":{
                "Gtid":"",
                "SkipCreateDbTable":false,
                "ExpandSyntaxSupport":false,
                "DropTableIfExists":false,
                "ReplChanBufferSize":"600",
                "ChunkSize":"2",
                "ApproveHeterogeneous":true,
                "ReplicateDoDb":[
                    {
                        "TableSchema":"sbtest",
                        "Tables":[]
                    }
                ],
                "ConnectionConfig":{
                    "Host":"172.17.7.1",
                    "Port":"3306",
                    "User":"test",
                    "Password":"test"
                }
            }
        },
        {
            "Type":"Dest",
            "NodeId":"924c96fc-8b81-0372-1c21-1e144970036e",
            "Config":{
                "Gtid":"",
                "SkipCreateDbTable":false,
                "DropTableIfExists":false,
                "ExpandSyntaxSupport":false,
                "ReplChanBufferSize":"600",
                "ApproveHeterogeneous":true,
                "ConnectionConfig":{
                    "Host":"172.17.8.1",
                    "Port":"3306",
                    "User":"test",
                    "Password":"test"
                }
            }
        }
    ]
}

[ghost]

same as #365