[SUPPORT-12847] Fix BGT JNDI connection gebruik voor Oracle/MSSQL

[matthijsln]

Voor Oracle en MS SQL was de database verbinding niet beschikbaar waardoor schema aanmaken en laden alleen met default password kon (en in voorkomende gevallen mislukte).

resolves SUPPORT-12847

[codecov]

Codecov Report

Merging #1199 (30c5fcf) into master (3e2cd14) will decrease coverage by 0.00%.
The diff coverage is 29.16%.

@@             Coverage Diff              @@
##             master    #1199      +/-   ##
============================================
- Coverage     36.22%   36.22%   -0.01%     
  Complexity      809      809              
============================================
  Files           380      380              
  Lines         17329    17324       -5     
  Branches       1715     1710       -5     
============================================
- Hits           6277     6275       -2     
+ Misses        10511    10506       -5     
- Partials        541      543       +2     

Impacted Files	Coverage Δ
...in/java/nl/b3p/brmo/service/scanner/BGTLoader.java	0.00% <0.00%> (ø)
.../main/java/nl/b3p/brmo/bgt/loader/BGTDatabase.java	63.44% <38.88%> (-5.61%)	⬇️
...nl/b3p/brmo/bgt/download/api/DownloadApiUtils.java	67.64% <0.00%> (-8.83%)	⬇️

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