observation codes and lab results filter

[tuvaforrest]

… results

Describe your changes

fixed mapping issue for observation codes and filtering issue for lab results

How has this been tested?

run in environments

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• I have updated the version number in dbt_project.yml file to reflect the release number of this PR
• I have updated the docs files (by running dbt docs generate/serve and copying the necessary files into the docs folder)
• I have commented my code as necessary
• I have added at least one Github label to this PR
• My code follows style guidelines
• (Optional) I have recorded a Loom to explain this PR

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