tweaks to typeguard and usage

Author: daveajrussell

src/shared/services/bolt/globalDrivers.ts

@@ -65,11 +65,10 @@ export const buildGlobalDriversObject = async (
       routed && (await routed.verifyConnectivity())
       routingSupported = true
     } catch (e) {
-      if (e && isBrowserError(e) && isNonSupportedRoutingSchemeError(e)) {
-        routingSupported = false
-      }
-
-      if (isError(e)) {
+      if (e && isError(e)) {
+        if (isBrowserError(e) && isNonSupportedRoutingSchemeError(e)) {
+          routingSupported = false
+        }
         failFn(e)
       }
     }

src/shared/utils/typeguards.ts

@@ -5,5 +5,5 @@ export function isError(error: unknown): error is Error {
 }
 
 export function isBrowserError(error: unknown): error is BrowserError {
-  return error instanceof Error && 'code' in error && 'message' in error
+  return error instanceof Error && 'code' in error
 }