[Chart] Allow the use of stroke line without dashes

[zDudaHang]

Component to amend

Chart - Reference Area

Visual

As you can see in P34 and P18, the stroke line is without dashes

You need to change this line

[zDudaHang]

Tasks (@AndresKindel)

• [x] Request @Andrevmatias's review
• [x] Add knobs to the new(s) prop(s) here
• [x] Everything must be in English
• [x] Check if it's necessary to add something to i18n
• [x] Update snapshot tests
• [x] Add new tests to the component

[wesleydecezere]

Waiting for design material to evolve site specification

[wesleydecezere]

Site spec will be update in another issue.