Support choose email when creating a commit via web UI (more) (#33445)

Follow #33432

routers/web/repo/cherry_pick.go

@@ -114,11 +114,19 @@ func CherryPickPost(ctx *context.Context) {
 		message += "\n\n" + form.CommitMessage
 	}
 
+	gitCommitter, valid := WebGitOperationGetCommitChosenEmailIdentity(ctx, form.CommitEmail)
+	if !valid {
+		ctx.Data["Err_CommitEmail"] = true
+		ctx.RenderWithErr(ctx.Tr("repo.editor.invalid_commit_email"), tplCherryPick, &form)
+		return
+	}
 	opts := &files.ApplyDiffPatchOptions{
 		LastCommitID: form.LastCommit,
 		OldBranch:    ctx.Repo.BranchName,
 		NewBranch:    branchName,
 		Message:      message,
+		Author:       gitCommitter,
+		Committer:    gitCommitter,
 	}
 
 	// First lets try the simple plain read-tree -m approach