Fix letters + improvements for them. More fixes to come

vscode-snippets/tex.json

@@ -396,7 +396,7 @@
 			"\\documentclass[12pt,a4paper]{scrlttr2}\n",
 			"\\newcommand{\\dir}{~/projects/latex} % IMPORTANT: No trailing slashes!",
 			"\\input{\\dir/include.tex}",
-			"\\load{recommended}\n",
+			"\\load{letter}\n",
 			"% Subject",
 			"\\setkomavar{subject}{$1}",
 			"\\begin{document}\\raggedright",