fix: Don't reset decoding state between top-level ranges

Author: szuend

src/decode/decode.ts

@@ -397,7 +397,6 @@ class Decoder {
       parent.children.push(range);
     } else {
       this.#ranges.push(range);
-      Object.assign(this.#rangeState, DEFAULT_RANGE_STATE);
     }
   }
 

src/encode/encoder.ts

@@ -56,7 +56,6 @@ export class Encoder {
       this.#encodeOriginalScope(scope);
     });
     this.#info.ranges.forEach((range) => {
-      Object.assign(this.#rangeState, DEFAULT_RANGE_STATE);
       this.#encodeGeneratedRange(range);
     });