json_util: Add support for loading from a string

[pmundt]

Description

Extended the json_util query module to support loading from a passed in JSON string. This can be helpful in cases where a client wishes to e.g. create node properties dynamically from an existing JSON representation via client APIs.

Pull request type

• Bugfix
• Algorithm/Module
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

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Reviewer checklist (the reviewer checks this part)

Module/Algorithm

• Core algorithm/module implementation
• Query module implementation
• Tests provided (unit / e2e)
• Code documentation
• README short description

Documentation checklist

• Add the documentation label tag
• Add the bug / feature label tag
• Add the milestone for which this feature is intended
  • If not known, set for a later milestone
• Write a release note, including added/changed clauses
  • [Release note text]
• Link the documentation PR here
  • [Documentation PR link]
• Tag someone from docs team in the comments

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud