Use json data with dataKey in Pack loader

[rexrainbow]

Version

• Phaser Version: 3.55.2

• Operating system: win11

• Browser: Chrome. firefox

Description

Here is the test code. It load assets by Pack with json data.

• Without dataKey, it works fiine
• With datakey test1, it won't work.

It might because that, redundant reading dataKey in JSONFile loader, therefore this.data will be incorrect.