SF-3643 Show the correct button text in the draft failure message (#3586)

Author: pmachapman

src/SIL.XForge.Scripture/ClientApp/src/app/translate/draft-generation/draft-generation.component.html

@@ -146,9 +146,7 @@ <h1>
                     ><transloco
                       key="draft_generation.warning_generation_faulted"
                       [params]="{
-                        generateButtonText: featureFlags.newDraftHistory.enabled
-                          ? t('generate_new_draft')
-                          : t('generate_draft_button')
+                        generateButtonText: hasAnyCompletedBuild ? t('generate_new_draft') : t('generate_draft_button')
                       }"
                     ></transloco
                   ></span>