fix: allow negative tilt angle values in getTiltAngle

- Removed Math.max(0, ...) clamping to allow returning negative values (-1 to -179).
- This aligns with standard Scratch micro:bit extension behavior.

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Co-Authored-By: Gemini <noreply@google.com>

Author: takaokouji

src/extensions/microbitMore/index.js

@@ -3299,13 +3299,13 @@ class MbitMoreBlocks {
     getTiltAngle (args) {
         switch (args.DIRECTION) {
         case 'FRONT':
-            return Math.max(0, -this._peripheral.pitch);
+            return -this._peripheral.pitch;
         case 'BACK':
-            return Math.max(0, this._peripheral.pitch);
+            return this._peripheral.pitch;
         case 'LEFT':
-            return Math.max(0, -this._peripheral.roll);
+            return -this._peripheral.roll;
         case 'RIGHT':
-            return Math.max(0, this._peripheral.roll);
+            return this._peripheral.roll;
         default:
             return 0;
         }