i18n(oci): refine Slovak manager wording

oci/src/proxmenux_oci/console.py

@@ -8,7 +8,7 @@ import sys
 import textwrap
 import threading
 
-from .i18n import BASE_DIR
+from .i18n import BASE_DIR, translate
 
 MG = "\033[1;35m"
 GN = "\033[1;92m"
@@ -101,6 +101,7 @@ def ask_yes_no(text: str, default_yes: bool = True) -> bool:
     width = 74
     lines = sum(max(1, len(textwrap.wrap(line, width - 6) or [''])) for line in text.splitlines() or [''])
     widget = ['whiptail', '--backtitle', 'ProxMenux', '--title', 'ProxMenux',
+              '--yes-button', translate('Yes'), '--no-button', translate('No'),
               '--yesno', text, str(min(lines + 8, 20)), str(width)]
     if not default_yes:
         widget.insert(1, '--defaultno')

oci/src/proxmenux_oci/ui.py

@@ -192,9 +192,10 @@ class DialogUI:
         # dialog draws on the terminal and writes the selection to stderr.
         back_widget = ['--extra-button', '--extra-label', translate('Back')] if self.back_enabled and any(
             flag in widget for flag in ('--inputbox', '--passwordbox', '--yesno', '--menu', '--checklist')) else []
+        confirmation_labels = ['--yes-label', translate('Yes'), '--no-label', translate('No')] if '--yesno' in widget else []
         result = subprocess.run(
             ["dialog", "--no-collapse", "--cancel-label", translate('Cancel'), "--backtitle", self.backtitle, "--title", title or self.title,
-             *back_widget, *widget],
+             *confirmation_labels, *back_widget, *widget],
             stdout=None, stderr=subprocess.PIPE, text=True, check=False, env=environment,
         )
         if result.returncode == 3 and back_widget: