fix: cleaned up elvish and fish integrations for bin_dir

src/shell-integration/elvish/lib/ghostty-integration.elv

@@ -198,15 +198,8 @@
   }
   if (and (has-value $features path) (has-env GHOSTTY_BIN_DIR)) {
     # Check if the directory is already in PATH
-    var path-contains-ghostty = $false
-    for p $paths {
-      if (eq $p $E:GHOSTTY_BIN_DIR) {
-        set path-contains-ghostty = $true
-        break
-      }
-    }
-    if (not $path-contains-ghostty) {
-      set paths = [$@paths $E:GHOSTTY_BIN_DIR]
+    if (not (has-value $paths $E:GHOSTTY_BIN_DIR)) {
+        set paths = [$E:GHOSTTY_BIN_DIR $@paths]
     }
   }
   if (and (has-value $features sudo) (not-eq "" $E:TERMINFO) (has-external sudo)) {

src/shell-integration/fish/vendor_conf.d/ghostty-shell-integration.fish

@@ -63,10 +63,7 @@ function __ghostty_setup --on-event fish_prompt -d "Setup ghostty integration"
 
     # Add Ghostty binary to PATH if the path feature is enabled
     if contains path $features; and test -n "$GHOSTTY_BIN_DIR"
-        # Check if the directory is already in PATH
-        if not contains -- "$GHOSTTY_BIN_DIR" $PATH
-            set --global --export PATH $PATH "$GHOSTTY_BIN_DIR"
-        end
+        fish_add_path "$GHOSTTY_BIN_DIR"
     end
 
     # When using sudo shell integration feature, ensure $TERMINFO is set