Fix logic when returning shouldRemoveSourceBranch

app/assets/javascripts/vue_merge_request_widget/components/states/mr_widget_auto_merge_enabled.vue

@@ -72,7 +72,8 @@ export default {
     },
     shouldRemoveSourceBranch() {
       if (this.glFeatures.mergeRequestWidgetGraphql) {
-        return this.state.shouldRemoveSourceBranch || this.state.forceRemoveSourceBranch;
+        if (this.state.shouldRemoveSourceBranch === false) return false;
+        return this.state.forceRemoveSourceBranch;
       }
 
       return this.mr.shouldRemoveSourceBranch;

changelogs/unreleased/215845-uncheck-delete-source-branch-does-nothing-2.yml

+---
+title: Fix delete source branch status message
+merge_request: 58605
+author:
+type: fixed