Fix direct palettes

src/pc/common/BitArray.js

@@ -134,6 +134,7 @@ class BitArray {
   readBuffer (smartBuffer, size = this.data.length) {
     if (size !== this.data.length) {
       this.data = new Uint32Array(size)
+      this.readOffset = size * 4
       return
     }
 

src/pc/common/BitArrayNoSpan.js

@@ -180,6 +180,7 @@ class BitArray {
   readBuffer (smartBuffer, size = this.data.length) {
     if (size !== this.data.length) {
       this.data = new Uint32Array(size)
+      smartBuffer.readOffset += size * 4
       return
     }