Flip negated conditions to positive for readability (S7735)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/views/Discover/Performance/PerformancePage.vue

@@ -1059,10 +1059,10 @@ function getAvgWaitingTimeLineChart(chartData, content, yUnit) {
     const file = route.meta.file;
     let id;
 
-    if (!isCheckPage) {
-      id = routeParams.fileId;
-    } else {
+    if (isCheckPage) {
       id = file.parent?.id;
+    } else {
+      id = routeParams.fileId;
     }
 
     // Fetch Performance Data
@@ -1112,7 +1112,12 @@ function getAvgWaitingTimeLineChart(chartData, content, yUnit) {
         contentData.avgWaitingTime,
         "date",
       );
-    if (performanceData.value.time.avg_waiting_time_by_edge !== null) {
+    if (performanceData.value.time.avg_waiting_time_by_edge === null) {
+      [avgWaitingTimeByEdgeData.value, avgWaitingTimeByEdgeOptions.value] = [
+        null,
+        null,
+      ];
+    } else {
       [avgWaitingTimeByEdgeData.value, avgWaitingTimeByEdgeOptions.value] =
         getHorizontalBarChart(
           performanceData.value.time.avg_waiting_time_by_edge,
@@ -1120,11 +1125,6 @@ function getAvgWaitingTimeLineChart(chartData, content, yUnit) {
           false,
           "date",
         );
-    } else {
-      [avgWaitingTimeByEdgeData.value, avgWaitingTimeByEdgeOptions.value] = [
-        null,
-        null,
-      ];
     }
 
     [casesByTaskData.value, casesByTaskOptions.value] = getHorizontalBarChart(