fix(Image): relax wrapped propType

[layershifter]

This PR relaxes wrapped propType. It makes a sence, but it will throw warning when it will be used with Item.Image because it always passes wrapped={true}:

<Item.Image
  as='a'
  href='http://example.com'
  src={src}
  size='tiny'
/>

[codecov-io]

Codecov Report

Merging #2043 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2043   +/-   ##
=======================================
  Coverage   99.76%   99.76%           
=======================================
  Files         148      148           
  Lines        2561     2561           
=======================================
  Hits         2555     2555           
  Misses          6        6

Impacted Files	Coverage Δ
src/elements/Image/Image.js	100% <ø> (ø)	⬆️

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[levithomason]

Released in semantic-ui-react@0.73.0