Improve archive restore progress tracking and UX.

core-util-jvm/src/main/java/org/signal/core/util/ByteExtensions.kt

@@ -116,6 +116,23 @@ class ByteSize(val bytes: Long) {
     return ByteSize(this.inWholeBytes * other)
   }
 
+  override fun toString(): String {
+    return "ByteSize(${toUnitString(maxPlaces = 4, spaced = false)})"
+  }
+
+  override fun equals(other: Any?): Boolean {
+    if (this === other) return true
+    if (javaClass != other?.javaClass) return false
+
+    other as ByteSize
+
+    return bytes == other.bytes
+  }
+
+  override fun hashCode(): Int {
+    return bytes.hashCode()
+  }
+
   enum class Size(val label: String) {
     BYTE("B"),
     KIBIBYTE("KB"),