Detect s2i component by sourceType which is set only for s2i comps

[dgolovin]

This PR fixes #2146.

Signed-off-by: Denis Golovin dgolovin@redhat.com

[codecov]

Codecov Report

Merging #2147 (03b88c9) into master (fc8cc8e) will decrease coverage by 0.00%.
The diff coverage is 70.00%.

❗ Current head 03b88c9 differs from pull request most recent head c1bcce2. Consider uploading reports for the commit c1bcce2 to get more accurate results

@@            Coverage Diff             @@
##           master    #2147      +/-   ##
==========================================
- Coverage   76.48%   76.47%   -0.01%     
==========================================
  Files          48       48              
  Lines        3241     3244       +3     
  Branches      614      616       +2     
==========================================
+ Hits         2479     2481       +2     
- Misses        762      763       +1     

Impacted Files	Coverage Δ
src/odo.ts	74.63% <66.66%> (ø)
src/odo/command.ts	88.70% <66.66%> (-0.43%)	⬇️
src/openshift/component.ts	82.54% <75.00%> (+0.03%)	⬆️

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