fix: Range check for float64/32 equal to 0.0

[IkerDC]

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PR Checklist

Please check if your PR fulfills the following requirements:

• [x] I am not introducing a breaking change (if you are, flag in conventional commit message with BREAKING CHANGE: describing the break)
• [x] I am not introducing a new dependency (add notes below if you are)
• [x] I have added unit tests for the new feature or bug fix (if not, why?)
• [x] I have fully tested (add details below) this the new feature or bug fix (if not, why?) Tested the functions as stand-alone, added unit test, tested with real devices returning a deviceResource of "0.0".
• [ ] I have opened a PR for the related docs change (if not, why?) No docs related to this part.

Testing Instructions

• Run the unit tests. (Tests have been added for 0.0 case)
• Use a device with a resouce with valueType "Float64". Read a value of 0.0 from it.

New Dependency Instructions (If applicable)

[codecov-commenter]

Codecov Report

Merging #330 (37fb718) into main (6984bd0) will not change coverage. The diff coverage is 100.00%.

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@@           Coverage Diff           @@
##             main     #330   +/-   ##
=======================================
  Coverage   31.95%   31.95%           
=======================================
  Files           2        2           
  Lines         363      363           
=======================================
  Hits          116      116           
  Misses        234      234           
  Partials       13       13           

Files Changed	Coverage Δ
driver/resthandler.go	52.96% <100.00%> (ø)