refactor(Core/Misc): add braces and impove codestyle (#6402)

src/common/Utilities/CircularBuffer.h

@@ -14,7 +14,8 @@
 #include <vector>
 
 template <typename T>
-class CircularBuffer {
+class CircularBuffer
+{
 public:
     explicit CircularBuffer(size_t size) :
         buf_(std::unique_ptr<T[]>(new T[size])),
@@ -77,13 +78,15 @@ public:
 
     // the implementation of this function is simplified by the fact that head_ will never be lower than tail_
     // when compared to the original implementation of this class
-    std::vector<T> content() {
+    std::vector<T> content()
+    {
         std::lock_guard<std::mutex> lock(mutex_);
 
         return std::vector<T>(buf_.get(), buf_.get() + size());
     }
 
-    T peak_back() {
+    T peak_back()
+    {
         std::lock_guard<std::mutex> lock(mutex_);
 
         return empty() ? T() : buf_[tail_];