Hide JumpToBottom btn on error

Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>

src/renderer/components/dock/pod-logs.store.ts

@@ -144,7 +144,7 @@ export class PodLogsStore extends DockTabStore<IPodLogsData> {
   getLastSinceTime(tabId: TabId) {
     const logs = this.logs.get(tabId);
     const timestamps = this.getTimestamps(logs[logs.length - 1]);
-    const stamp = new Date(timestamps[0]);
+    const stamp = new Date(timestamps ? timestamps[0] : null);
     stamp.setSeconds(stamp.getSeconds() + 1); // avoid duplicates from last second
     return stamp.toISOString();
   }

src/renderer/components/dock/pod-logs.tsx

@@ -38,7 +38,15 @@ export class PodLogs extends React.Component<Props> {
           return;
         }
         await this.load();
-      }, { fireImmediately: true })
+      }, { fireImmediately: true }),
+
+      // Check if need to show JumpToBottom if new log amount is less than previous one
+      reaction(() => podLogsStore.logs.get(this.tabId), () => {
+        const { tabId } = this;
+        if (podLogsStore.logs.has(tabId) && podLogsStore.logs.get(tabId).length < logRange) {
+          this.showJumpToBottom = false;
+        }
+      })
     ]);
   }