Handle null value for field in CategoryFingerprint (#40861) (#40864)

Co-authored-by: Romeo Van Snick <romeo@romeovansnick.be>

frontend/src/metabase/components/MetadataInfo/FieldFingerprintInfo/CategoryFingerprint.jsx

@@ -61,7 +61,7 @@ export function CategoryFingerprint({
   const isMissingFieldValues = fieldValues.length === 0;
   const shouldFetchFieldValues = hasListValues && isMissingFieldValues;
 
-  const distinctCount = field.fingerprint?.global?.["distinct-count"];
+  const distinctCount = field?.fingerprint?.global?.["distinct-count"];
   const formattedDistinctCount = formatNumber(distinctCount);
 
   const [isLoading, setIsLoading] = useState(shouldFetchFieldValues);

frontend/src/metabase/components/MetadataInfo/FieldFingerprintInfo/CategoryFingerprint.unit.spec.js

@@ -53,4 +53,11 @@ describe("CategoryFingerprint", () => {
       expect(await screen.findByText("4 distinct values")).toBeInTheDocument();
     });
   });
+
+  it("should not throw an error when the field cannot be found", () => {
+    setup({ field: { id: 99942 } });
+    expect(
+      screen.queryByText("Getting distinct values..."),
+    ).not.toBeInTheDocument();
+  });
 });