Improve NULL handling in get paths

[darshanasbg]

Proposed changes in this pull request

$subject. Improving,

• Add capability diagnose template content for specified tenants #294

When should this PR be merged

Immediate

Follow up actions

N/A

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 21 lines in your changes missing coverage. Please review.

Project coverage is 30.40%. Comparing base (97740cd) to head (3d76a91).
Report is 6 commits behind head on master.

Files with missing lines	Patch %	Lines
...mail/mgt/store/dao/OrgNotificationTemplateDAO.java	0.00%	9 Missing ⚠️
...carbon/email/mgt/store/DBBasedTemplateManager.java	0.00%	6 Missing ⚠️
...o/cache/CacheBackedOrgNotificationTemplateDAO.java	0.00%	6 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #296      +/-   ##
============================================
- Coverage     31.43%   30.40%   -1.04%     
- Complexity      468      492      +24     
============================================
  Files            72       72              
  Lines          4784     5055     +271     
  Branches        609      658      +49     
============================================
+ Hits           1504     1537      +33     
- Misses         3128     3362     +234     
- Partials        152      156       +4     

Flag	Coverage Δ
unit	15.90% <0.00%> (-0.31%)	⬇️

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