Pyramid alpha 9

Big release of Pyramid with a lot of new features!

Thanks a lot to @SullyMLT for the work.

What's Changed

• Adding grid feature to the space in Pyramid by @SullyMLT in #222
• Adding shortcut manager feature to Pyramid for the moment focus on sp… by @SullyMLT in #223
• Add new feature for editing element tree drag and drop by @SullyMLT in #228
• Update shortcut manager -> shortcut on spec and shortcut on space by @SullyMLT in #236
• Add new feature Toplo theme by @SullyMLT in #237
• Update from main by @SullyMLT in #238
• fix breakpoint issue by forcing the uninstallation of all by @Nyan11 in #217
• Stage dev zoom move and fix grid position by @SullyMLT in #239
• Dev stage - Adding new features by @SullyMLT in #242
• Fix the Broken "play" Button by @SullyMLT in #243
• Fix the error asOrderedCollection does not understand in Pharo 13 by @SullyMLT in #244
• Working on issues by @LabordePierre in #248
• Dev stage - Add new plugin filtering list for the add element presenter by @SullyMLT in #245
• Dev by @labordep in #251

Full Changelog: alpha8...alpha9