when the update request doesn't intend to update attachments (eg: change checkbox state), ignore attachment updates (#16762)

routers/web/repo/issue.go

@@ -1727,10 +1727,13 @@ func UpdateIssueContent(ctx *context.Context) {
 		return
 	}
 
+	// when update the request doesn't intend to update attachments (eg: change checkbox state), ignore attachment updates
+	if !ctx.FormBool("ignore_attachments") {
 		if err := updateAttachments(issue, ctx.FormStrings("files[]")); err != nil {
 			ctx.ServerError("UpdateAttachments", err)
 			return
 		}
+	}
 
 	content, err := markdown.RenderString(&markup.RenderContext{
 		URLPrefix: ctx.FormString("context"),
@@ -2148,10 +2151,6 @@ func UpdateCommentContent(ctx *context.Context) {
 		return
 	}
 
-	if ctx.FormBool("ignore_attachments") {
-		return
-	}
-
 	if comment.Type == models.CommentTypeComment {
 		if err := comment.LoadAttachments(); err != nil {
 			ctx.ServerError("LoadAttachments", err)
@@ -2159,10 +2158,13 @@ func UpdateCommentContent(ctx *context.Context) {
 		}
 	}
 
+	// when the update request doesn't intend to update attachments (eg: change checkbox state), ignore attachment updates
+	if !ctx.FormBool("ignore_attachments") {
 		if err := updateAttachments(comment, ctx.FormStrings("files[]")); err != nil {
 			ctx.ServerError("UpdateAttachments", err)
 			return
 		}
+	}
 
 	content, err := markdown.RenderString(&markup.RenderContext{
 		URLPrefix: ctx.FormString("context"),