fix(app): use key const

Author: tyzbit

internal/view/app.go

@@ -695,7 +695,7 @@ func (a *App) helpCmd(evt *tcell.EventKey) *tcell.EventKey {
 
 // previousView returns to the view prior to the current one in the history
 func (a *App) previousView(evt *tcell.EventKey) *tcell.EventKey {
-	if evt != nil && evt.Rune() == 'b' && a.Prompt().InCmdMode() {
+	if evt != nil && evt.Rune() == rune(ui.KeyB) && a.Prompt().InCmdMode() {
 		return evt
 	}
 	cmds := a.cmdHistory.List()
@@ -717,7 +717,7 @@ func (a *App) previousView(evt *tcell.EventKey) *tcell.EventKey {
 
 // lastView switches between the last view and this one a la `cd -`
 func (a *App) lastView(evt *tcell.EventKey) *tcell.EventKey {
-	if evt != nil && evt.Rune() == '-' && a.Prompt().InCmdMode() {
+	if evt != nil && evt.Rune() == ui.KeyDash && a.Prompt().InCmdMode() {
 		return evt
 	}
 	cmds := a.cmdHistory.List()