Disabled powersafe for networkmanager

Disabled power safe for network manager in configuration.nix

Background is that the wifi adapter has bad performance when on battery
but no issues when running on AC power.

Unfortunately, this had no effect.

See: https://discourse.nixos.org/t/bad-wifi-performance-on-battery/49398

hosts/p14s/configuration.nix

@@ -29,6 +29,7 @@
 
   # Enable networking
   networking.networkmanager.enable = true;
+  networking.networkmanager.wifi.powersave = false;
 
   # Set your time zone.
   time.timeZone = "Europe/Berlin";

hosts/p14s/home.nix

@@ -28,6 +28,12 @@
     # # "Hello, world!" when run.
     # pkgs.hello
 
+    # System
+    inxi
+    pciutils
+    htop
+    btop
+
     # Terminal
     alacritty
     source-code-pro # Font for Alacritty
@@ -35,8 +41,6 @@
     cutecom
     cowsay
     mc
-    htop
-    btop
     fd # unnamed dependency for the fuzzy finder fzf
     lazygit
     eza # replacement for ls