Increase Line Height is smaller than current one
Hi, found this one:
**Steps:**
1.-Create a text, its default line height is blank
2.- apply "Increase Line Height"
3.- line height is set to 5

![artboard](https://user-images.githubusercontent.com/2784323/50235584-7295fd00-0375-11e9-903f-a5b42f070129.png)

**Expected:**
Line height is 23

Thanks!