fix(vulkan): revert query cache FlushBeginTFB order to fix menu freeze

Signed-off-by: Zephyron <zephyron@citron-emu.org>

src/video_core/renderer_vulkan/vk_query_cache.cpp

@@ -873,16 +873,17 @@ private:
             return;
         }
         has_flushed_end_pending = true;
-        UpdateBuffers();
         if (!has_started || buffers_count == 0) {
             scheduler.Record([](vk::CommandBuffer cmdbuf) {
                 cmdbuf.BeginTransformFeedbackEXT(0, 0, nullptr, nullptr);
             });
+            UpdateBuffers();
             return;
         }
         scheduler.Record([this, total = static_cast<u32>(buffers_count)](vk::CommandBuffer cmdbuf) {
             cmdbuf.BeginTransformFeedbackEXT(0, total, counter_buffers.data(), offsets.data());
         });
+        UpdateBuffers();
     }
 
     void FlushEndTFB() {

src/video_core/renderer_vulkan/vk_rasterizer.cpp

@@ -67,14 +67,13 @@ struct DrawParams {
 VkViewport GetViewportState(const Device& device, const Maxwell& regs, size_t index, float scale) {
     const auto& src = regs.viewport_transform[index];
     const auto conv = [scale](float value) {
-        if (scale >= 1.0f) {
-            return value * scale;
-        }
-        // Use double only when scaling down to avoid sub-pixel jitter (MP4 fix)
         const double new_value = static_cast<double>(value) * static_cast<double>(scale);
+        if (scale < 1.0f) {
             const bool sign = std::signbit(value);
-        const double rounded = std::round(std::abs(new_value));
+            double rounded = std::round(std::abs(new_value));
             return static_cast<float>(sign ? -rounded : rounded);
+        }
+        return static_cast<float>(new_value);
     };
     const float x = conv(src.translate_x - src.scale_x);
     const float width = conv(src.scale_x * 2.0f);