Revert "Merge pull request CleverRaven#72833 from katemonster33/imgui…

…_screen_artifacts"

This reverts commit 046c7ce, reversing
changes made to 5dd5c2c.
this

src/cata_imgui.cpp

@@ -453,7 +453,7 @@ class cataimgui::window_impl
                 ImVec2 imsize = ImGui::GetWindowSize();
                 imvec2_to_point( &impos, &catapos );
                 imvec2_to_point( &imsize, &catasize );
-                window_adaptor->position_absolute( catapos, catasize );
+                window_adaptor->position( catapos, catasize );
             } );
             window_adaptor->on_screen_resize( [this]( ui_adaptor & ) {
                 is_resized = true;

src/sdltiles.cpp

@@ -3832,6 +3832,11 @@ input_event input_manager::get_input_event( const keyboard_mode preferred_keyboa
     // we can skip screen update if `needupdate` is false to improve performance during mouse
     // move events.
     wnoutrefresh( catacurses::stdscr );
+    // This statement is required when the screen is made very small
+    if( ui_adaptor::has_imgui() ) {
+        needupdate = true;
+    }
+
     if( needupdate ) {
         refresh_display();
     }

src/ui_manager.cpp

@@ -131,15 +131,6 @@ void ui_adaptor::position( const point &topleft, const point &size )
     ui_manager::invalidate( old_dimensions, false );
 }
 
-void ui_adaptor::position_absolute( const point &topleft, const point &size )
-{
-    const rectangle<point> old_dimensions = dimensions;
-    // ensure position is updated before calling invalidate
-    dimensions = rectangle<point>( topleft, topleft + size );
-    invalidated = true;
-    ui_manager::invalidate( old_dimensions, false );
-}
-
 void ui_adaptor::on_redraw( const redraw_callback_t &fun )
 {
     redraw_cb = fun;

src/ui_manager.h

@@ -127,11 +127,6 @@ class ui_adaptor
          * and curses builds.
          **/
         void position( const point &topleft, const point &size );
-        /**
-         * like 'position', except topleft and size are given as
-         * pixels in tiled builds and console cells on curses builds
-         **/
-        void position_absolute( const point &topleft, const point &size );
         /**
          * Set redraw and resize callbacks. The resize callback should
          * call `position` or `position_from_window` to set the size of the UI,