Color widget. Refactor popups to allow popups to open other popups.

[CI BUILD]

Assets/Prefabs/Panels/ScriptsPanel.prefab

@@ -231,6 +231,9 @@ MonoBehaviour:
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+    m_Command: 9000
   m_PanelDescription: Scripts
   m_LocalizedPanelDescription:
     m_TableReference:

Assets/Prefabs/Panels/Widgets/ColorPickerButton.prefab

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