Add subtitle to Hype Chats (#4715)

* feat: more hype chat

* Add `std::chrono::seconds` overload to formatTime

* Move & rename it to HypeChat + some other mini things

* Add changelog entry

* fix formattime test

---------

Co-authored-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>

src/util/FormatTime.cpp

@@ -1,4 +1,7 @@
-#include "FormatTime.hpp"
+#include "util/FormatTime.hpp"
+
+#include <algorithm>
+#include <limits>
 
 namespace chatterino {
 
@@ -57,4 +60,15 @@ QString formatTime(QString totalSecondsString)
     return "n/a";
 }
 
+QString formatTime(std::chrono::seconds totalSeconds)
+{
+    auto count = totalSeconds.count();
+
+    return formatTime(static_cast<int>(std::clamp(
+        count,
+        static_cast<std::chrono::seconds::rep>(std::numeric_limits<int>::min()),
+        static_cast<std::chrono::seconds::rep>(
+            std::numeric_limits<int>::max()))));
+}
+
 }  // namespace chatterino