Change projectPath to fullPath in GraphQL implementation of pipelines's code quality report

Issue: With the refactoring of the Pipeline TabsComponent from HAML to vue (!95899 (merged)) it was discovered that the template is referring to the Path of the project as fullPath where the GraphQL implementation is referring to the same value as projectPath.

Needed Solution: To keep thing consistent and avoid workarounds like this !95899 (comment 1074676077) we should adjust the GraphQL implementation of pipelines's code quality report to use fullPath and rename all occurrences of projectPath to fullPath.