Replaced resource is not known

[dionmcm]

Originally reported by John Grimes (Bitbucket: j0hngr1mes, GitHub: Unknown)

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Steps to reproduce:

1. Go to https://browse.medserve.online/Medication/860891000168106
2. Click on "lactate + sodium chloride + potassium chloride".
3. Observe that an error occurs: "Resource Medication/69842011000036107 is not known".

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• Bitbucket: https://bitbucket.org/dion_mcmurtrie/medserve/issue/27