fix ts lint warning: Strings must use singlequote

frontend/src/pages/FlowChartTest.vue

@@ -27,23 +27,23 @@ import ActionSelect from 'components/ActionSelect.vue';
 import PropertyPanel from 'components/right/PropertyPanel.vue';
 
 
-const rootNode:RootAction =new RootAction("app.record.create.submit","レコード追加画面","保存するとき");
+const rootNode:RootAction =new RootAction('app.record.create.submit','レコード追加画面','保存するとき');
 const actionFlow: ActionFlow = new ActionFlow(rootNode);
 const saibanProps:IActionProperty[]=[{
-  component:"InputText",
+  component:'InputText',
   props:{
-    displayName:"フォーマット",
-    modelValue:"",
-    name:"format",
-    placeholder:"フォーマットを入力してください",
+    displayName:'フォーマット',
+    modelValue:'',
+    name:'format',
+    placeholder:'フォーマットを入力してください',
   }
 },{
-  component:"FieldInput",
+  component:'FieldInput',
   props:{
-    displayName:"採番項目",
-    modelValue:"",
-    name:"field",
-    placeholder:"採番項目を選択してください",
+    displayName:'採番項目',
+    modelValue:'',
+    name:'field',
+    placeholder:'採番項目を選択してください',
   }
 }];
 
@@ -91,7 +91,7 @@ const onDeleteAllNextNodes=(node:IActionNode)=>{
   refFlow.value.removeAllNext(node.id);
 }
 const closeDg=(val :any)=>{
-  console.log("Dialog closed->",val);
+  console.log('Dialog closed->',val);
 }
 </script>