Tiles sizes increase when switching between windows

**Describe the bug**
Opening multiple windows in the tile, switching between the windows either with mouse or with keyboard increases the size of the windows until it overlaps or gets outside of tile configured size.

**To Reproduce**
Steps to reproduce the behavior:
1. Open 3 different app windows, for example 3 windows of Chrome
2. Put them in a pre-configured tile format
3. Switch between those 3 windows with keyboard or with mouse
4. See error: size increases each time a window is selected

**Information (please complete the following):**
- Tiling Shell version: 16.4
- GNOME version: 48.3