Fix Adding new Data Source and minor updates

[mikhail-vl]

Resolves #56

[lgtm-com[bot]]

This pull request introduces 1 alert when merging 55c538106772d6aefc8a07b5775e35a597b88d6a into 7285abdad696724ca10e1d7c0cb57cfb89a4b568 - view on LGTM.com

new alerts:

• 1 for Potentially inconsistent state update

[codecov[bot]]

Codecov Report

Merging #57 (b5d6828) into master (7285abd) will decrease coverage by 0.00%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #57      +/-   ##
==========================================
- Coverage   99.61%   99.61%   -0.01%     
==========================================
  Files          33       33              
  Lines         520      513       -7     
  Branches       99       97       -2     
==========================================
- Hits          518      511       -7     
  Misses          1        1              
  Partials        1        1              

Impacted Files	Coverage Δ
src/components/config/config.tsx	96.55% <100.00%> (-0.68%)	:arrow_down:
...c/components/data-source-list/data-source-list.tsx	100.00% <100.00%> (ø)
src/components/root-page/root-page.tsx	100.00% <100.00%> (ø)

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[lgtm-com[bot]]

This pull request introduces 1 alert when merging b5d68281e412861d5c68dadf414cabf5cbf0ea46 into 7285abdad696724ca10e1d7c0cb57cfb89a4b568 - view on LGTM.com

new alerts:

• 1 for Potentially inconsistent state update