refactor(audio): prioritize system default device over name-based search in sounddevice backend

Updated device selection logic to return the first available device with appropriate
channels before searching by device name. This provides better compatibility across
different audio hardware configurations while maintaining ReSpeaker support as fallback.

Author: show0000

src/reachy_mini/media/audio_sounddevice.py

@@ -199,22 +199,22 @@ def _find_device_id(
         devices = sd.query_devices()
         channel_key = f"max_{device_type}_channels"
 
-        # Search for device by name
+        # return default device with appropriate channels
         for idx, dev in enumerate(devices):
-            if (
-                name_contains.lower() in dev["name"].lower()
-                and dev.get(channel_key, 0) > 0
-            ):
+            if dev.get(channel_key, 0) > 0:
                 return idx
 
-        # Log warning if named device not found
+        # Log warning if default device not found
         self.logger.warning(
-            f"No {device_type} device found containing '{name_contains}', using fallback."
+            f"No default {device_type} found. Trying another device containing '{name_contains}'."
         )
 
-        # Fallback: return first device with appropriate channels
+        # Fallback: Search for device by specific name
         for idx, dev in enumerate(devices):
-            if dev.get(channel_key, 0) > 0:
+            if (
+                name_contains.lower() in dev["name"].lower()
+                and dev.get(channel_key, 0) > 0
+            ):
                 return idx
 
         raise RuntimeError(