treewide: migrate to pluginRC for correct DAG order

The "new" DAG order is as follows:
- (luaConfigPre)
- globalsScript
- basic
- theme
- pluginConfigs
- extraPluginConfigs
- mappings
- (luaConfigPost)

modules/plugins/ui/notifications/nvim-notify/config.nix

@@ -13,7 +13,7 @@ in {
     vim = {
       startPlugins = ["nvim-notify"];
 
-      luaConfigRC.nvim-notify = entryAnywhere ''
+      pluginRC.nvim-notify = entryAnywhere ''
         require('notify').setup(${toLuaObject cfg.setupOpts})
 
         -- required to fix offset_encoding errors