fix(actions): use gitea's clock for actions durations (#39323)

web_src/js/components/ActionRunJobView.vue

@@ -46,6 +46,7 @@ type JobStepState = {
   cursor: string|null,
   expanded: boolean,
   manuallyCollapsed: boolean, // whether the user manually collapsed the step, used to avoid auto-expanding it again
+  firstLogTime?: number, // the step's first log line time, what "Show seconds" counts from
 }
 
 // one ANSI renderer per step, so an unterminated color carries between that step's lines only
@@ -81,7 +82,6 @@ type JobData = {
     stepsLog?: Array<{
       step: number;
       cursor: string | null;
-      started: number;
       lines: LogLine[];
     }>;
   },
@@ -355,9 +355,12 @@ async function loadJob() {
 
     // append logs to the UI
     for (const stepLogs of jobLogs) {
+      const stepState = currentJobStepsStates.value[stepLogs.step];
       // save the cursor, it will be passed to backend next time
-      currentJobStepsStates.value[stepLogs.step].cursor = stepLogs.cursor;
-      appendLogs(stepLogs.step, stepLogs.started, stepLogs.lines);
+      stepState.cursor = stepLogs.cursor;
+      if (!stepLogs.lines.length) continue;
+      stepState.firstLogTime ??= stepLogs.lines[0].timestamp;
+      appendLogs(stepLogs.step, stepState.firstLogTime, stepLogs.lines);
     }
 
     // auto-scroll to the last log line of the last step