fix(treewide): move arguments where needed

Moving from arguments where it should be done.

src/libcmd/installable-flake.hh

@@ -26,7 +26,7 @@ struct ExtraPathInfoFlake : ExtraPathInfoValue
     Flake flake;
 
     ExtraPathInfoFlake(Value && v, Flake && f)
-        : ExtraPathInfoValue(std::move(v)), flake(f)
+        : ExtraPathInfoValue(std::move(v)), flake(std::move(f))
     { }
 };
 

src/libcmd/installable-value.hh

@@ -59,7 +59,7 @@ struct ExtraPathInfoValue : ExtraPathInfo
     Value value;
 
     ExtraPathInfoValue(Value && v)
-        : value(v)
+        : value(std::move(v))
     { }
 
     virtual ~ExtraPathInfoValue() = default;