Fixes #36627 - Discard irrelevant inputs on template change

Previously we kept the pre-filled values from the previous template and
then sent them to the backend together with the inputs for the new
template. This prevented the job from being started as the backend
didn't know what to do with the extra inputs.

webpack/JobWizard/JobWizard.js

@@ -169,8 +169,23 @@ export const JobWizard = ({ rerunData }) => {
                   job_template: { name, description_format },
                 },
               }) => {
+                const allowedInputs = template_inputs
+                  .map(({ inputName }) => inputName)
+                  .concat(
+                    advanced_template_inputs.map(({ inputName }) => inputName)
+                  );
+                const prune = inputs =>
+                  allowedInputs.reduce(
+                    (acc, key) =>
+                      inputs.hasOwnProperty(key)
+                        ? { [key]: inputs[key], ...acc }
+                        : acc,
+                    {}
+                  );
+                setTemplateValues(prune);
                 setAdvancedValues(currentAdvancedValues => ({
                   ...currentAdvancedValues,
+                  templateValues: prune(currentAdvancedValues.templateValues),
                   description:
                     generateDefaultDescription({
                       description_format,