AK: Make FixedPoint::create_raw public and constexpr

Author: https://github.com/nico
Commit: https://github.com/SerenityOS/serenity/commit/9c5820326d
Pull-request: https://github.com/SerenityOS/serenity/pull/17148
Reviewed-by: https://github.com/linusg

AK/FixedPoint.h

@@ -74,6 +74,13 @@ public:
         return value;
     }
 
+    static constexpr This create_raw(Underlying value)
+    {
+        This t {};
+        t.raw() = value;
+        return t;
+    }
+
     constexpr Underlying raw() const
     {
         return m_value;
@@ -379,13 +386,6 @@ private:
         return FixedPoint<P, U>::create_raw(raw_value);
     }
 
-    static This create_raw(Underlying value)
-    {
-        This t {};
-        t.raw() = value;
-        return t;
-    }
-
     Underlying m_value;
 };