Move almost all functions' parameter db.Engine to context.Context (#19748)

* Move almost all functions' parameter db.Engine to context.Context
* remove some unnecessary wrap functions

models/project/issue.go

@@ -28,8 +28,8 @@ func init() {
 	db.RegisterModel(new(ProjectIssue))
 }
 
-func deleteProjectIssuesByProjectID(e db.Engine, projectID int64) error {
-	_, err := e.Where("project_id=?", projectID).Delete(&ProjectIssue{})
+func deleteProjectIssuesByProjectID(ctx context.Context, projectID int64) error {
+	_, err := db.GetEngine(ctx).Where("project_id=?", projectID).Delete(&ProjectIssue{})
 	return err
 }
 
@@ -97,7 +97,7 @@ func MoveIssuesOnProjectBoard(board *Board, sortedIssueIDs map[int64]int64) erro
 	})
 }
 
-func (pb *Board) removeIssues(e db.Engine) error {
-	_, err := e.Exec("UPDATE `project_issue` SET project_board_id = 0 WHERE project_board_id = ? ", pb.ID)
+func (pb *Board) removeIssues(ctx context.Context) error {
+	_, err := db.GetEngine(ctx).Exec("UPDATE `project_issue` SET project_board_id = 0 WHERE project_board_id = ? ", pb.ID)
 	return err
 }