Fix volume slider title text horizontal scaling on some languages (ppy#36915)

closes ppy#36892.

|master|This PR|
|---|---|

|![osu_2026-03-10_18-37-55](https://github.com/user-attachments/assets/15defef7-e1b8-485b-928b-886bb79215e2)|![osu_2026-03-10_18-43-40](https://github.com/user-attachments/assets/df4926f8-d960-45e2-ab98-1b455dc789b5)|

Author: MayoCollector

osu.Game/Overlays/Volume/VolumeMeter.cs

@@ -215,6 +215,7 @@ private void load(OsuColour colours, AudioManager audio)
                 new Container
                 {
                     Size = LABEL_SIZE,
+                    AutoSizeAxes = Axes.X,
                     CornerRadius = 10,
                     Masking = true,
                     Margin = new MarginPadding { Left = CircleSize + 10 },
@@ -229,6 +230,10 @@ private void load(OsuColour colours, AudioManager audio)
                         },
                         new OsuSpriteText
                         {
+                            Margin = new MarginPadding
+                            {
+                                Horizontal = 32,
+                            },
                             Anchor = Anchor.Centre,
                             Origin = Anchor.Centre,
                             Font = OsuFont.GetFont(weight: FontWeight.Bold),