LibWeb: Rename FormattingContext::compute_position() => compute_inset()

This function computes the used inset properties, not the position of a
box per se, so let's call it something more accurate.

Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp

@@ -391,7 +391,7 @@ void BlockFormattingContext::layout_block_level_children(BlockContainer const& b
 
         compute_height(child_box, m_state);
 
-        compute_position(child_box);
+        compute_inset(child_box);
 
         if (is<ReplacedBox>(child_box) || is<BlockContainer>(child_box))
             place_block_level_element_in_normal_flow_horizontally(child_box, block_container);

Userland/Libraries/LibWeb/Layout/FormattingContext.cpp

@@ -766,7 +766,7 @@ void FormattingContext::compute_height_for_absolutely_positioned_replaced_elemen
     m_state.get_mutable(box).content_height = compute_height_for_replaced_element(m_state, box);
 }
 
-void FormattingContext::compute_position(Box const& box)
+void FormattingContext::compute_inset(Box const& box)
 {
     // 9.4.3 Relative positioning
     // Once a box has been laid out according to the normal flow or floated, it may be shifted relative to this position.

Userland/Libraries/LibWeb/Layout/FormattingContext.h

@@ -65,7 +65,7 @@ protected:
     FormattingState::IntrinsicSizes calculate_intrinsic_sizes(Layout::Box const&) const;
 
     OwnPtr<FormattingContext> layout_inside(Box const&, LayoutMode);
-    void compute_position(Box const&);
+    void compute_inset(Box const& box);
 
     struct SpaceUsedByFloats {
         float left { 0 };