deploy mysql cluster from the App Store,the user clicks on the screen and does not respond

[qianfen2021]

General remarks

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Describe the bug A clear and concise description of what the bug is.

Deploy mysql cluster from the App Store，because the project options are covered，the user clicks on the screen and does not respond。 I want to optimize the prompt 。

users can scroll the mouse to see the prompt message：

Versions used(KubeSphere/Kubernetes) KubeSphere:v3.2.1-rc.1 Kubernetes: (If KubeSphere installer used, you can skip this)

Environment How many nodes and their hardware configuration:

For example: 3 masters: 8cpu/8g 3 nodes: 8cpu/16g

(and other info are welcomed to help us debugging)

To Reproduce Steps to reproduce the behavior:

1. deploy mysql cluster from the App Store
2. go to the settings page and click the next button

Expected behavior Optimize page prompt

[liuyp2018]

/assign @harrisonliu5