Move login related structs and functions to models/login (#17093)

* Move login related structs and functions to models/login

* Fix test

* Fix lint

* Fix lint

* Fix lint of windows

* Fix lint

* Fix test

* Fix test

* Only load necessary fixtures when preparing unit tests envs

* Fix lint

* Fix test

* Fix test

* Fix error log

* Fix error log

* Fix error log

* remove unnecessary change

* fix error log

* merge main branch

models/issue.go

@@ -1122,7 +1122,7 @@ func GetIssuesByIDs(issueIDs []int64) ([]*Issue, error) {
 
 // IssuesOptions represents options of an issue.
 type IssuesOptions struct {
-	ListOptions
+	db.ListOptions
 	RepoIDs            []int64 // include all repos if empty
 	AssigneeID         int64
 	PosterID           int64