[Dashboard] SetVariable action will cause the original variable to be modified

[dong-king]

Describe the bug

struct TREE_NODE:
{
    key: string,
    title: string,
    info: string
}

originalData and treeData are array:struct:TREE_NODE Use variable originalData to initialize treeData with SetVairable action. When the button is clicked, the info field of treeData is modified, and the info field of originalData is modified too.

Expected behavior originalData need remain unchanged.

Screenshots

before clicking button:

after clicking button:

Desktop (please complete the following information):

• OS: win10
• eez-studio v0.13.0