Begin(): Removed unnecessary code (at the time of 1.18 commit e9e0e36f98, CursorPos was used to compute SizeContentsFit and this was necessary)

imgui.cpp

@@ -3984,7 +3984,6 @@ bool ImGui::Begin(const char* name, bool* p_open, const ImVec2& size_on_first_us
     bool window_pos_set_by_api = false, window_size_set_by_api = false;
     if (g.SetNextWindowPosCond)
     {
-        const ImVec2 backup_cursor_pos = window->DC.CursorPos;                  // FIXME: not sure of the exact reason of this saving/restore anymore :( need to look into that.
         if (window->Appearing) 
             window->SetWindowPosAllowFlags |= ImGuiCond_Appearing;
         window_pos_set_by_api = (window->SetWindowPosAllowFlags & g.SetNextWindowPosCond) != 0;
@@ -3997,7 +3996,6 @@ bool ImGui::Begin(const char* name, bool* p_open, const ImVec2& size_on_first_us
         {
             SetWindowPos(window, g.SetNextWindowPosVal, g.SetNextWindowPosCond);
         }
-        window->DC.CursorPos = backup_cursor_pos;
         g.SetNextWindowPosCond = 0;
     }
     if (g.SetNextWindowSizeCond)
@@ -4042,7 +4040,6 @@ bool ImGui::Begin(const char* name, bool* p_open, const ImVec2& size_on_first_us
     window->RootWindow = g.CurrentWindowStack[root_idx];
     window->RootNonPopupWindow = g.CurrentWindowStack[root_non_popup_idx];      // Used to display TitleBgActive color and for selecting which window to use for NavWindowing
 
-
     // When reusing window again multiple times a frame, just append content (don't need to setup again)
     if (first_begin_of_the_frame)
     {