Fix ext:configure not settings params without a default (#8814)

Author: joehan

CHANGELOG.md

@@ -1 +1,2 @@
 - Improve App Hosting compute service account flow for source deploys. (#8785)
+- Fixed an issue with `ext:configure` where params without default values could not be set. (#8810)

src/extensions/paramHelper.ts

@@ -64,7 +64,8 @@ export function setNewDefaults(params: Param[], newDefaults: { [key: string]: st
     if (newDefaults[param.param]) {
       param.default = newDefaults[param.param];
     } else if (
-      (param.param = `firebaseextensions.v1beta.function/location` && newDefaults["LOCATION"])
+      param.param === `firebaseextensions.v1beta.function/location` &&
+      newDefaults["LOCATION"]
     ) {
       // Special case handling for when we are updating from LOCATION to system param location.
       param.default = newDefaults["LOCATION"];