hyprland: mark plugin setting as important

The plugins are often necessary for other configurations.

modules/services/window-managers/hyprland.nix

@@ -229,7 +229,7 @@ in {
           };
           allFields = filterAttrs (n: v: !(isAttrs v)) attrs;
           importantFields = filterAttrs (n: _:
-            (hasPrefix "$" n) || (hasPrefix "bezier" n)
+            (hasPrefix "$" n) || (hasPrefix "bezier" n) || (n == "plugin")
             || (cfg.sourceFirst && (hasPrefix "source" n))) allFields;
           fields = builtins.removeAttrs allFields
             (mapAttrsToList (n: _: n) importantFields);

tests/modules/services/window-managers/hyprland/simple-config.conf

@@ -3,6 +3,8 @@ $mod=SUPER
 bezier=smoothOut, 0.36, 0, 0.66, -0.56
 bezier=smoothIn, 0.25, 1, 0.5, 1
 bezier=overshot, 0.4,0.8,0.2,1.2
+plugin=/path/to/plugin1
+plugin=/nix/store/00000000000000000000000000000000-foo/lib/libfoo.so
 source=sourced.conf
 animations {
   animation=border, 1, 2, smoothIn
@@ -27,8 +29,6 @@ input {
 bindm=$mod, mouse:272, movewindow
 bindm=$mod, mouse:273, resizewindow
 bindm=$mod ALT, mouse:272, resizewindow
-plugin=/path/to/plugin1
-plugin=/nix/store/00000000000000000000000000000000-foo/lib/libfoo.so
 # window resize
 bind = $mod, S, submap, resize