Update return structure of readInputSources to match what the edit component is expecting. This also required me to make corresponding updates to the detail component so that it matched.

awx/ui_next/src/api/models/Credentials.js

@@ -41,7 +41,11 @@ class Credentials extends Base {
             inputSources.concat(data.results)
           );
         }
-        return Promise.resolve(inputSources.concat(data.results));
+        return Promise.resolve({
+          data: {
+            results: inputSources.concat(data.results),
+          },
+        });
       } catch (error) {
         return Promise.reject(error);
       }

awx/ui_next/src/screens/Credential/CredentialDetail/CredentialDetail.jsx

@@ -60,7 +60,9 @@ function CredentialDetail({ i18n, credential }) {
         {
           data: { inputs: credentialTypeInputs, managed_by_tower },
         },
-        loadedInputSources,
+        {
+          data: { results: loadedInputSources },
+        },
       ] = await Promise.all([
         CredentialTypesAPI.readDetail(credential_type.id),
         CredentialsAPI.readInputSources(credentialId),

awx/ui_next/src/screens/Credential/CredentialDetail/CredentialDetail.test.jsx

@@ -37,7 +37,11 @@ CredentialTypesAPI.readDetail.mockResolvedValue({
   data: mockCredentialType,
 });
 
-CredentialsAPI.readInputSources.mockResolvedValue([mockInputSource]);
+CredentialsAPI.readInputSources.mockResolvedValue({
+  data: {
+    results: [mockInputSource],
+  },
+});
 
 function expectDetailToMatch(wrapper, label, value) {
   const detail = wrapper.find(`Detail[label="${label}"]`);