Fix minor issues

[enikonemeth]

No description provided.

[codecov]

Codecov Report

Merging #1188 (23126ec) into develop (b78dfda) will increase coverage by 1.69%.
The diff coverage is 93.65%.

@@             Coverage Diff             @@
##           develop    #1188      +/-   ##
===========================================
+ Coverage    92.07%   93.76%   +1.69%     
===========================================
  Files          216      232      +16     
  Lines         5942     6578     +636     
  Branches      1544     1681     +137     
===========================================
+ Hits          5471     6168     +697     
+ Misses         471      410      -61     

Impacted Files	Coverage Δ
packages/sn-client-core/src/Repository/Preview.ts	97.56% <ø> (-0.12%)	⬇️
...ls-react/src/fieldcontrols/empty-field-control.tsx	100.00% <ø> (ø)
...ldcontrols/rich-text-editor/quill-oembed-module.ts	80.00% <ø> (ø)
packages/sn-controls-react/src/helpers.ts	81.81% <ø> (ø)
...ckages/sn-client-core/src/Repository/Repository.ts	97.46% <60.00%> (-1.24%)	⬇️
...s/sn-authentication-oidc-react/src/oidc-service.ts	88.23% <66.66%> (-5.10%)	⬇️
...ages/sn-controls-react/src/react-control-mapper.ts	92.85% <76.19%> (ø)
.../fieldcontrols/reference-grid/reference-picker.tsx	76.47% <76.47%> (ø)
...dcontrols/reference-grid/default-item-template.tsx	93.33% <83.33%> (ø)
...ls-react/src/fieldcontrols/allowed-child-types.tsx	88.80% <88.80%> (ø)
... and 190 more

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[sensenet]

Site name	Url	Last deploy
sn-react-component-docs-dev	https://603f3b5bc877c1e9d143e230--sn-react-component-docs-dev.netlify.app	Wed Mar 03 2021 - 07:31:40 GMT+0000 (Coordinated Universal Time)
sn-app-dev	https://603f3b9144fb8ec48e28b898--sn-app-dev.netlify.app	Wed Mar 03 2021 - 07:32:37 GMT+0000 (Coordinated Universal Time)

[taki9]

create unit tests for the new control