NixOS relative pathing wasn't working `cwd` issues

```
[OK] You have chosen < 1440p resolution.
sed: can't read config/kitty/kitty.conf: No such file or directory

[NOTE]  By default, KooL's Dots are configured in 24H clock format.
[ACTION] Do you want to change to 12H (AM/PM) clock format? (y/n): y
sed: can't read config/waybar/Modules: No such file or directory
sed: can't read config/waybar/Modules: No such file or directory
sed: can't read config/waybar/Modules: No such file or directory
sed: can't read config/waybar/Modules: No such file or directory
sed: can't read config/waybar/Modules: No such file or directory
sed: can't read config/waybar/Modules: No such file or directory
sed: can't read config/waybar/Modules: No such file or directory
sed: can't read config/waybar/Modules: No such file or directory
sed: can't read config/waybar/Modules: No such file or directory
[WARN] hyprlock template not found; skipping 12H lock format edits
[NOTE] Express mode: skipping SDDM 12H edits to avoid sudo prompts.
[OK] 12H format set on waybar clocks succesfully.

[INFO] - copying dotfiles first part
cp: cannot stat 'config/fastfetch': No such file or directory
[OK] - Copy completed for fastfetch

[INFO] Found kitty config found in ~/.config/
[ACTION] Do you want to replace kitty config? (y/n): y
[NOTE] - Backed up kitty to /home/dwilliams/.config/kitty-backup-back-up_0130_0800.
cp: cannot stat 'config/kitty': No such file or directory
[OK] - Replaced kitty with new configuration.

[INFO] Found rofi config found in ~/.config/
[ACTION] Do you want to replace rofi config? (y/n): y
[NOTE] - Backed up rofi to /home/dwilliams/.config/rofi-backup-back-up_0130_0800.
cp: cannot stat 'config/rofi': No such file or directory
[OK] - Replaced rofi with new configuration.

```
 On branch development
 Your branch is up to date with 'origin/development'.

 Changes to be committed:
	modified:   copy.sh
	modified:   scripts/lib_apps.sh
	modified:   scripts/lib_copy.sh
	modified:   scripts/lib_prompts.sh

1 files changed, 5 insertions, 0 deletions

diff --git a/copy.sh b/copy.sh
index e9b09e9e..fc3f38b8 100755
--- a/copy.sh
+++ b/copy.sh
@@ -53,6 +53,8 @@ SKY_BLUE="$(tput setaf 6)"
 RESET="$(tput sgr0)"
 MIN_EXPRESS_VERSION="2.3.18"
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+DOTFILES_DIR="$SCRIPT_DIR"
+export DOTFILES_DIR
 MENU_HELPER="$SCRIPT_DIR/scripts/copy_menu.sh"
 BACKUP_HELPER="$SCRIPT_DIR/scripts/lib_backup.sh"
 DETECT_HELPER="$SCRIPT_DIR/scripts/lib_detect.sh"
@@ -107,6 +109,9 @@ else
   exit 1
 fi
 
+# Ensure we operate from the dotfiles root so relative paths resolve.
+cd "$SCRIPT_DIR" || { echo "${ERROR} Failed to cd to $SCRIPT_DIR"; exit 1; }
+
 version_gte() {
   [ "$1" = "$(echo -e "$1\n$2" | sort -V | tail -n1)" ]
 }