plasma5 -> plasma6

for both the NixOS desktop env as well as home-manager packages.

ktouch had to be disabled due to being marked as broken, let's fix this
later

home/modules/packages.nix

@@ -193,9 +193,8 @@ let
   ];
 
   kdeTools =
-    with plasma5Packages;
-    with kdeGear;
-    [
+    [ okteta ]
+    ++ (with kdePackages; [
       okular
       gwenview
       yakuake
@@ -212,16 +211,13 @@ let
       qdirstat
       ark
       kwalletmanager
-      ktouch
+      #ktouch  # TODO: unbreak
       kcharselect
       konversation
-      okteta
       krdc
       skanlite
       akonadiconsole
       tokodon # mastodon client
-    ]
-    ++ (with kdeFrameworks; [
       networkmanager-qt
       kcrash
       breeze-gtk