fix #587

[shubo83]

1. query for synonyms and get the corresponding mainTagIds.
2. add ID in condition to the main query statement.

[LinkinStars]

1. You can refer this issue. support tag search for synonyms #618 (comment)
2. Remove that the print log code fmt.Println.

[LinkinStars]

I noticed you changed the code, but there are still some issues. You can test it by following steps.

1. Add two tags a and b
2. Set b to be a synonym for a
3. Use b for querying via api

You'll notice that the a tag still doesn't appear in the query result. It doesn't solve the issue of #587 .

[shubo83]

I noticed you changed the code, but there are still some issues. You can test it by following steps.

1. Add two tags a and b
2. Set b to be a synonym for a
3. Use b for querying via api

You'll notice that the a tag still doesn't appear in the query result. It doesn't solve the issue of #587 .

ok, I'll try to debug it.

[shubo83]

I noticed you changed the code, but there are still some issues. You can test it by following steps.

1. Add two tags a and b
2. Set b to be a synonym for a
3. Use b for querying via api

You'll notice that the a tag still doesn't appear in the query result. It doesn't solve the issue of #587 .

I followed your three steps to test, and there was no problem. As shown below:

Strange, where is the problem?