chore(zsh): only capture SIGUSR1 if not a tty

.config/zsh/.zshenv

@@ -1,10 +1,11 @@
 #This is used to reload the instance
-TRAPUSR1() {
+if [[ ! $(tty) =~ ^/dev/tty[0-9]*$ ]]; then
+    TRAPUSR1() {
         if [[ -o INTERACTIVE ]]; then
             exec "${SHELL}"
         fi
 }
-
+fi
 
 # Add exports
 if [[ $(uname) == "Darwin" ]]; then