Ports/mrsh: Fix workdir, remove or upgrade patches

Also removes mrsh from the list of ports missing descriptions. I tried
to be descriptive about the patches, but as I picked this port up from
someone else, I'm not 100% sure how to best explain the patches.

Ports/mrsh/patches/0004-glob.h-is-missing-so-we-disable-glob.patch

@@ -0,0 +1,48 @@
+From 7d050176ada352b563e551041999d0783475ad13 Mon Sep 17 00:00:00 2001
+From: EWouters <6179932+EWouters@users.noreply.github.com>
+Date: Wed, 4 May 2022 16:50:45 +0200
+Subject: [PATCH 4/4] `glob.h` is missing so we disable glob
+
+---
+ shell/word.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/shell/word.c b/shell/word.c
+index df274b7..dd94965 100644
+--- a/shell/word.c
++++ b/shell/word.c
+@@ -1,7 +1,9 @@
+ #define _POSIX_C_SOURCE 200809L
+ #include <assert.h>
+ #include <ctype.h>
++#ifndef __serenity__
+ #include <glob.h>
++#endif
+ #include <mrsh/buffer.h>
+ #include <pwd.h>
+ #include <stdbool.h>
+@@ -339,10 +341,13 @@ bool expand_pathnames(struct mrsh_array *expanded,
+ 	for (size_t i = 0; i < fields->len; ++i) {
+ 		const struct mrsh_word *field = fields->data[i];
+ 
++#ifndef __serenity__
+ 		char *pattern = word_to_pattern(field);
+ 		if (pattern == NULL) {
++#endif
+ 			mrsh_array_add(expanded, mrsh_word_str(field));
+ 			continue;
++#ifndef __serenity__
+ 		}
+ 
+ 		glob_t glob_buf;
+@@ -361,6 +366,7 @@ bool expand_pathnames(struct mrsh_array *expanded,
+ 		}
+ 
+ 		free(pattern);
++#endif
+ 	}
+ 
+ 	return true;
+-- 
+2.32.0 (Apple Git-132)
+