[Bug Report] Textfield dynamic mask with weird behavior

[guiquintelas]

Versions and Environment

Vuetify: 1.5.9 Vue: 2.6.10 Browsers: Chrome 73.0.3683.86 OS: Windows 10

Steps to reproduce

• Fill the textfield
• Click away

Expected Behavior

Textfield masked value to be equal to displayed maked value.

Actual Behavior

• When the textfield is full it display the right mask, but the returned value dont.
• When clicking away, it shouldn't clear half of th displayed value.

Reproduction Link

https://codepen.io/guiquintelas/pen/xewVBm

Other comments

This only occurs if the return-masked-value prop is true

Fixing this would provide an alternative to #6862

[jacekkarczmarczyk]

masks have been removed in 2.0