Copy data to make immutable for Apollo 3

app/assets/javascripts/pipelines/components/graph/graph_component_wrapper.vue

@@ -105,7 +105,7 @@ export default {
           return this.pipeline;
         }
 
-        return unwrapPipelineData(this.pipelineProjectPath, data);
+        return unwrapPipelineData(this.pipelineProjectPath, JSON.parse(JSON.stringify(data)));
       },
       error(err) {
         this.reportFailure({ type: LOAD_FAILURE, skipSentry: true });

app/assets/javascripts/pipelines/components/graph/linked_pipelines_column.vue

@@ -118,7 +118,7 @@ export default {
             return this.currentPipeline;
           }
 
-          return unwrapPipelineData(projectPath, data);
+          return unwrapPipelineData(projectPath, JSON.parse(JSON.stringify(data)));
         },
         result() {
           this.loadingPipelineId = null;

app/assets/javascripts/pipelines/pipeline_shared_client.js

@@ -5,6 +5,7 @@ export const apolloProvider = new VueApollo({
   defaultClient: createDefaultClient(
     {},
     {
+      assumeImmutableResults: true,
       useGet: true,
     },
   ),