Fix blocks, add tests, fix bounding box calc of some components

diylc/diylc-swing/flatpak/com.diy_fever.DIYLayoutCreator.metainfo.xml

@@ -37,6 +37,15 @@
   <update_contact>nbenitezl_AT_gmail.com</update_contact>
   <content_rating type="oars-1.1"/>
   <releases>
+  	 <release version="4.22.2" date="2022-03-18">
+         <description>
+           <ul>
+             <li>[Bug Fix] Fixed the issue with application hanging when loading certain files</li>
+             <li>[Bug Fix] Fixed importing building blocks and variants from a file</li>
+           </ul>
+         </description>
+         <url>https://github.com/bancika/diy-layout-creator/releases/tag/v4.22.2</url>
+     </release>
   	  <release version="4.22.1" date="2022-03-07">
          <description>
            <ul>