Ast generator stores more info

[SpaiR]

Description

Found the problem, that ImGuiDockNodeFlags had invalid flags values.
The reason for that was that it referenced to the value, which was defined in imgui.h header.

Type of change

• Minor changes or tweaks (quality of life stuff)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update