fix: address verified review findings (terminal-forms-1)

Signed-off-by: bircni <bircni@icloud.com>

internal/app/metadata.go

@@ -246,7 +246,7 @@ $ tea milestone create --title v2.0 --editor`, Args: usageArgs(cobra.MaximumNArg
 		var err error
 		defer finishDraft(&draft, &runErr)
 		if !localFlagsChanged(cmd) && a.canPrompt() && a.deps.MilestoneForm != nil {
-			values, err := a.deps.MilestoneForm.EditMilestone(cmd.Context(), "", terminal.MilestoneFormValues{})
+			values, err := a.deps.MilestoneForm.EditMilestone(cmd.Context(), "", terminal.MilestoneFormValues{Editor: a.editorCommand()})
 			if err != nil {
 				return err
 			}
@@ -316,7 +316,7 @@ $ tea milestone edit 3 --editor`, Annotations: map[string]string{"tea.arguments"
 		}
 		switch {
 		case form:
-			values := terminal.MilestoneFormValues{Title: current.Title, Description: current.Description}
+			values := terminal.MilestoneFormValues{Title: current.Title, Description: current.Description, Editor: a.editorCommand()}
 			if current.Deadline != nil {
 				deadline := terminal.ParseTime(*current.Deadline)
 				values.Deadline = &deadline