QML Button Mouse Events - LMB click on Enabled/disabled
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Disable button, click button, Enable button, click button

Setup: 
N/A

Actions:  
#. Disable Button
#. Click button
#. Enable Button
#. Click button

Expected Result:
#. button is disabled, color is <<TBA>>
#. no clicked() signal is emitted
#. color is color, button is enabled
#. clicked() signal is emitted

Glossary:
MLB = Mouse Left Button
