fix: rerender when unpausing (#5265)

src/widgets/helper/ChannelView.cpp

@@ -536,6 +536,8 @@ void ChannelView::updatePauses()
         this->pauseScrollMaximumOffset_ = 0;
 
         this->queueLayout();
+        // make sure we re-render
+        this->update();
     }
     else if (std::any_of(this->pauses_.begin(), this->pauses_.end(),
                          [](auto &&value) {
@@ -560,8 +562,9 @@ void ChannelView::updatePauses()
         {
             /// Start the timer
             this->pauseEnd_ = pauseEnd;
-            this->pauseTimer_.start(
-                duration_cast<milliseconds>(pauseEnd - SteadyClock::now()));
+            auto duration =
+                duration_cast<milliseconds>(pauseEnd - SteadyClock::now());
+            this->pauseTimer_.start(std::max(duration, 0ms));
         }
     }
 }