Fix format error (#27963)

Mentioned in:
https://github.com/go-gitea/gitea/pull/27931#issuecomment-1798016960

Same to #25131, so use the same method to fix this problem.

modules/context/repo.go

@@ -850,7 +850,7 @@ func getRefName(ctx *Base, repo *Repository, pathType RepoRefType) string {
 			return getRefNameFromPath(ctx, repo, path, func(s string) bool {
 				b, exist, err := git_model.FindRenamedBranch(ctx, repo.Repository.ID, s)
 				if err != nil {
-					log.Error("FindRenamedBranch", err)
+					log.Error("FindRenamedBranch: %v", err)
 					return false
 				}
 

routers/web/repo/view.go

@@ -716,14 +716,11 @@ func checkCitationFile(ctx *context.Context, entry *git.TreeEntry) {
 				return
 			}
 			defer dataRc.Close()
-			buf := make([]byte, 1024)
-			n, err := util.ReadAtMost(dataRc, buf)
+			ctx.PageData["citationFileContent"], err = blob.GetBlobContent(setting.UI.MaxDisplayFileSize)
 			if err != nil {
-				ctx.ServerError("ReadAtMost", err)
+				ctx.ServerError("GetBlobContent", err)
 				return
 			}
-			buf = buf[:n]
-			ctx.PageData["citationFileContent"] = string(buf)
 			break
 		}
 	}