explicitly add dependencies of Kontact to system environment

- to get Kontact functioning
- TODO: single out the problematic packages and fix them
- all of this shouldn't have been necessary

nixos/packages.nix

@@ -26,7 +26,7 @@
     testdisk
     rsync
     pv
-    exfat
+    #exfat
     exfat-utils
     iotop
     cifs-utils
@@ -37,7 +37,44 @@
     networkmanager-openconnect
     networkmanager-vpnc
     kdeApplications.akonadi-mime # for KOrganizer
-  ];
+    ]
+  ++ (with plasma5; with kdeApplications; [
+    akonadi
+    akonadi-calendar
+    akonadi-contacts
+    akonadi-import-wizard
+    akonadi-mime
+    akonadi-notes
+    akonadi-search
+    akonadiconsole
+    akregator
+    kaddressbook
+    kalarm
+    kalarmcal
+    kcalcore
+    kcalutils
+    kcontacts
+    kdav
+    kdepim-addons
+    kdepim-apps-libs
+    kdepim-runtime
+    kidentitymanagement
+    kldap
+    kmail
+    kmailtransport
+    kmbox
+    kmime
+    kontact
+    kontactinterface
+    korganizer
+    kpimtextedit
+    libkdepim
+    libksieve
+    mailcommon
+    messagelib
+    pimcommon
+    pim-sieve-editor
+  ]);
 }