Copper chests share the "Chests Opened" statistic with chests

Steps to reproduce the issue:

1. Place a Copper Chest.

2. Open the Statistics page and record the value of “Chests Opened“.

3. Open the Copper Chest.

4. Open the Statistics page again and compare the current value with the recorded value.

Expected result:

This value will not be increased,and there should be a dedicated value “Copper Chests Opened“ will be increased.

Actual result:

Value of “Chests Opened“ increased.