Problem to solve

Acessibility

Proposed solution

Add aria-label in v-chip close button

• I'm submitting a ...

  • bug report

• What is the current behavior?
  There a vertical line and a grey block on the right that shouldn't be there (both themes).
  

Duplicating colors is not that informative as if we showed different colors fo

Svg supported ie10+ and it should be default choice.

Describe the bug
On SfModal in Storybook: when clicking on 'hello' button 'no preview' message shows

How to reproduce
Go to SfModal on Storybook and click on 'hello' button.

Expected behavior
Clicking on button should have no effect or should show alert on the screen.

Screenshots
![image](https://user-images.githubusercontent.com/32042425/94204184-156f9980-fec1-11ea-