Fix many issues reported by clang-tidy (#7189)

* Fix many issues reported by clang-tidy

We have many issues in code related to some performance to float <-> double.
Clang-tidy reported it in performance-type-promotion-in-math-fn

I fixed many of them. It's not ready for a promote to blocking

Also fix some value which should be const-ref

src/chat.h

@@ -77,7 +77,7 @@ public:
 
 	// Append chat line
 	// Removes oldest chat line if scrollback size is reached
-	void addLine(std::wstring name, std::wstring text);
+	void addLine(const std::wstring &name, const std::wstring &text);
 
 	// Remove all chat lines
 	void clear();