Userland: Silence warnings from ElapsedTimer::elapsed() type change

We changed elapsed() to return i64 instead of int as that's what
AK::Time::to_milliseconds() returns, causing a bunch of implicit lossy
conversions in callers. Clean those up with a mix of type changes and
casts.

Userland/DevTools/Profiler/main.cpp

@@ -327,7 +327,7 @@ static bool prompt_to_stop_profiling(pid_t pid, DeprecatedString const& process_
     Core::ElapsedTimer clock;
     clock.start();
     auto update_timer = Core::Timer::construct(100, [&] {
-        timer_label.set_text(DeprecatedString::formatted("{:.1} seconds", clock.elapsed() / 1000.0f));
+        timer_label.set_text(DeprecatedString::formatted("{:.1} seconds", static_cast<float>(clock.elapsed()) / 1000.0f));
     });
 
     auto& stop_button = widget->add<GUI::Button>("Stop");

Userland/Libraries/LibSoftGPU/Device.cpp

@@ -1570,7 +1570,7 @@ void Device::draw_statistics_overlay(Gfx::Bitmap& target)
     static int frame_counter;
 
     frame_counter++;
-    int milliseconds = 0;
+    i64 milliseconds = 0;
     if (timer.is_valid())
         milliseconds = timer.elapsed();
     else

Userland/Libraries/LibWeb/HighResolutionTime/Performance.h

@@ -17,7 +17,7 @@ class Performance final : public DOM::EventTarget {
 public:
     virtual ~Performance() override;
 
-    double now() const { return m_timer.elapsed(); }
+    double now() const { return static_cast<double>(m_timer.elapsed()); }
     double time_origin() const;
 
     JS::GCPtr<NavigationTiming::PerformanceTiming> timing();

Userland/Services/WindowServer/Animation.cpp

@@ -47,7 +47,7 @@ void Animation::was_removed(Badge<Compositor>)
 
 bool Animation::update(Badge<Compositor>, Gfx::Painter& painter, Screen& screen, Gfx::DisjointIntRectSet& flush_rects)
 {
-    int elapsed_ms = m_timer.elapsed();
+    i64 const elapsed_ms = m_timer.elapsed();
     float progress = min((float)elapsed_ms / (float)m_duration, 1.0f);
 
     if (on_update)

Userland/Services/WindowServer/WindowManager.cpp

@@ -1086,8 +1086,8 @@ auto WindowManager::DoubleClickInfo::metadata_for_button(MouseButton button) ->
 
 bool WindowManager::is_considered_doubleclick(MouseEvent const& event, DoubleClickInfo::ClickMetadata const& metadata) const
 {
-    int elapsed_since_last_click = metadata.clock.elapsed();
-    if (elapsed_since_last_click < m_double_click_speed) {
+    i64 elapsed_ms_since_last_click = metadata.clock.elapsed();
+    if (elapsed_ms_since_last_click < m_double_click_speed) {
         auto diff = event.position() - metadata.last_position;
         auto distance_travelled_squared = diff.x() * diff.x() + diff.y() * diff.y();
         if (distance_travelled_squared <= (m_max_distance_for_double_click * m_max_distance_for_double_click))

Userland/Shell/Builtin.cpp

@@ -1007,7 +1007,7 @@ int Shell::builtin_time(int argc, char const** argv)
             block_on_job(job);
             exit_code = job.exit_code();
         }
-        iteration_times.add(timer.elapsed());
+        iteration_times.add(static_cast<float>(timer.elapsed()));
     }
 
     if (number_of_iterations == 1) {

Userland/Utilities/abench.cpp

@@ -40,7 +40,7 @@ ErrorOr<int> serenity_main(Main::Arguments args)
     auto loader = maybe_loader.release_value();
 
     Core::ElapsedTimer sample_timer { true };
-    u64 total_loader_time = 0;
+    i64 total_loader_time = 0;
     int remaining_samples = sample_count > 0 ? sample_count : NumericLimits<int>::max();
     unsigned total_loaded_samples = 0;
 
@@ -48,8 +48,7 @@ ErrorOr<int> serenity_main(Main::Arguments args)
         if (remaining_samples > 0) {
             sample_timer = sample_timer.start_new();
             auto samples = loader->get_more_samples(min(MAX_CHUNK_SIZE, remaining_samples));
-            auto elapsed = static_cast<u64>(sample_timer.elapsed());
-            total_loader_time += static_cast<u64>(elapsed);
+            total_loader_time += sample_timer.elapsed();
             if (!samples.is_error()) {
                 remaining_samples -= samples.value().size();
                 total_loaded_samples += samples.value().size();