feat: merge health feature and add measure command

- Add REQUEST_HEART_RATE command with measure button in health screen
  - Add ref.mounted checks and fix early return in measure()
  - Remove unused SET_LANGUAGE from DeviceCommand enum

packages/sf_localizations/assets/l10n/de.json

@@ -625,5 +625,6 @@
   "volumeHint": "Sie können den Schieberegler ziehen, um die Gerätelautstärke anzupassen. Die App speichert nur die zuletzt erfolgreich eingestellte Lautstärke. Die tatsächliche Lautstärke hängt vom Gerät ab.",
   "volumeSend": "Senden",
   "photoTaken": "Foto erfolgreich aufgenommen",
-  "noPhotosAvailable": "Keine Fotos verfügbar"
+  "noPhotosAvailable": "Keine Fotos verfügbar",
+  "measure": "Messen"
 }

packages/sf_localizations/assets/l10n/en.json

@@ -757,5 +757,6 @@
   "syncClockMessage": "Synchronize the device clock with the current time",
   "locationWifiNetworksOptional": "WiFi networks (optional)",
   "photoTaken": "Photo taken successfully",
-  "noPhotosAvailable": "No photos available"
+  "noPhotosAvailable": "No photos available",
+  "measure": "Measure"
 }

packages/sf_localizations/assets/l10n/es.json

@@ -755,5 +755,6 @@
   "syncClockMessage": "Sincroniza el reloj del dispositivo con la hora actual",
   "locationWifiNetworksOptional": "Redes WiFi (opcional)",
   "photoTaken": "Foto tomada exitosamente",
-  "noPhotosAvailable": "No hay fotos disponibles"
+  "noPhotosAvailable": "No hay fotos disponibles",
+  "measure": "Medir"
 }

packages/sf_localizations/assets/l10n/fr.json

@@ -625,5 +625,6 @@
   "volumeHint": "Vous pouvez faire glisser le curseur pour régler le volume de l'appareil. L'application ne sauvegarde que le dernier niveau de volume ajusté avec succès. Le volume réel dépendra de l'appareil.",
   "volumeSend": "Envoyer",
   "photoTaken": "Photo prise avec succès",
-  "noPhotosAvailable": "Aucune photo disponible"
+  "noPhotosAvailable": "Aucune photo disponible",
+  "measure": "Mesurer"
 }

packages/sf_localizations/assets/l10n/it.json

@@ -625,5 +625,6 @@
   "volumeHint": "Puoi trascinare il cursore per regolare il volume del dispositivo. L'app salva solo l'ultimo livello di volume regolato con successo. Il volume effettivo dipenderà dal dispositivo.",
   "volumeSend": "Invia",
   "photoTaken": "Foto scattata con successo",
-  "noPhotosAvailable": "Nessuna foto disponibile"
+  "noPhotosAvailable": "Nessuna foto disponibile",
+  "measure": "Misurare"
 }

packages/sf_localizations/assets/l10n/pt.json

@@ -625,5 +625,6 @@
   "volumeHint": "Você pode arrastar o controle deslizante para ajustar o volume do dispositivo. O aplicativo salva apenas o nível de volume ajustado com sucesso mais recentemente. O volume real dependerá do dispositivo.",
   "volumeSend": "Enviar",
   "photoTaken": "Foto tirada com sucesso",
-  "noPhotosAvailable": "Nenhuma foto disponível"
+  "noPhotosAvailable": "Nenhuma foto disponível",
+  "measure": "Medir"
 }

packages/sf_localizations/lib/src/generated/i18n.dart

@@ -762,4 +762,5 @@ class I18n {
   static const String photoTaken = 'photoTaken';
   static const String noPhotosAvailable = 'noPhotosAvailable';
   static const String yesterday = 'yesterday';
+  static const String measure = 'measure';
 }