Add maxPerPage to ORM

[tevoinea]

Summary of the Pull Request

What is this about?

Closes #2964

Info on Pull Request

What does this include?

• Added support for maxPerPage in ORM
• Rename GetMessage to GetMessages in NodeMessageOperations
• Created a new GetMessage that only queries one message from the DB using the new maxPerPage
• Add a test

Validation Steps Performed

How does someone test & validate?

Added a test + checkpr

[codecov-commenter]

Codecov Report

Merging #3016 (b5d2a12) into main (ace0ccc) will decrease coverage by 0.01%.
The diff coverage is 60.00%.

@@            Coverage Diff             @@
##             main    #3016      +/-   ##
==========================================
- Coverage   29.02%   29.02%   -0.01%     
==========================================
  Files         304      304              
  Lines       36326    36327       +1     
==========================================
  Hits        10545    10545              
- Misses      25781    25782       +1     

Impacted Files	Coverage Δ
...c/ApiService/ApiService/Functions/AgentCommands.cs	0.00% <0.00%> (ø)
...ice/ApiService/onefuzzlib/NodeMessageOperations.cs	58.33% <0.00%> (-2.54%)	⬇️
src/ApiService/ApiService/Functions/Node.cs	79.56% <100.00%> (ø)
src/ApiService/ApiService/onefuzzlib/orm/Orm.cs	59.89% <100.00%> (ø)

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.