Prevent creating a resource with root bundle ID

[cmark]

This PR depends on #1035

[codecov-commenter]

Codecov Report

Merging #1036 (ff62a28) into 8.x (eb9d3ce) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##                8.x    #1036   +/-   ##
=========================================
  Coverage     65.01%   65.01%           
- Complexity    12261    12262    +1     
=========================================
  Files          1701     1701           
  Lines         56522    56533   +11     
  Branches       5224     5224           
=========================================
+ Hits          36748    36757    +9     
  Misses        17535    17535           
- Partials       2239     2241    +2     

Impacted Files	Coverage Δ
...owowl/core/rest/domain/BaseResourceRestSearch.java	68.42% <100.00%> (+5.92%)	⬆️
...nowowl/core/rest/resource/ResourceRestService.java	96.29% <100.00%> (+0.14%)	⬆️
...tional/snowowl/core/internal/ResourceDocument.java	93.87% <100.00%> (+0.03%)	⬆️
...nowowl/core/request/BaseResourceCreateRequest.java	88.57% <100.00%> (+0.22%)	⬆️
...nowowl/core/request/BaseResourceSearchRequest.java	97.72% <100.00%> (+0.08%)	⬆️
...core/request/BaseResourceSearchRequestBuilder.java	82.35% <100.00%> (+1.10%)	⬆️
...onal/snowowl/snomed/core/tree/TerminologyTree.java	85.10% <0.00%> (-2.13%)	⬇️
...national/index/revision/BaseRevisionBranching.java	89.47% <0.00%> (-1.17%)	⬇️
...index/src/com/b2international/index/es/EsNode.java	81.25% <0.00%> (-1.05%)	⬇️
.../snomed/core/ecl/SnomedEclRefinementEvaluator.java	85.01% <0.00%> (-0.26%)	⬇️
... and 2 more

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[molnarlaura]

LGTM!

[apeteri]

👍