Line is drawn in incorrect place

affected code:
https://github.com/magic-script/magic-script-samples/blob/magic_script_components_examples/sample-magic-script-components-docs/src/exampleTab.js

Lumin:
![lumin](https://user-images.githubusercontent.com/13310911/75340020-f27cf880-5891-11ea-92a0-5bdd582ecdff.png)
IOS:
![ios](https://user-images.githubusercontent.com/13310911/75340022-f3158f00-5891-11ea-8c96-197780d3ec80.png)
