Install blackbox-terminal using flatpak as fallback

scripts/Arch/Collections/personal.sh

@@ -102,7 +102,6 @@ yay --noconfirm -Syu \
     `# easyeffects` \
     threema-desktop \
     `# gnome-tweaks` \
-    blackbox-terminal \
     anki-bin \
     cpu-x \
     libreoffice-fresh \
@@ -113,6 +112,13 @@ yay --noconfirm -Syu \
     yubikey-manager-qt \
     ;
 
+yay --noconfirm -Syu \
+    blackbox-terminal \
+    || \
+    sudo flatpak install --system -y \
+        com.raggesilver.BlackBox \
+    ;
+
 yay --noconfirm -Syu \
     mupdf-tools \
     naps2-bin;