Removed duplicate of onefetch on devenv start

Fixed typo

dot_config/nushell/config.nu

@@ -13,6 +13,6 @@ source integrations/zoxide.nu
 source integrations/atuin.nu
 source integrations/rip.nu
 # Finally, we run a system info fetch
-if not ("DEVENV_RUNTIME" in $env) {
+if not (in-devenv?) {
     sysfetch
 }

dot_config/nushell/my_config.nu

@@ -28,7 +28,7 @@ export def main [] {
             env_change: {
                 PWD: [
                     {|before, after| # This hook runs onefetch when the current directory is a git repository
-                        if ".git\n" in ($after | ls -a | str join) {
+                        if (not (in-devenv?)) and (".git\n" in ($after | ls -a | str join)) {
                             print (^onefetch --nerd-fonts)
                         }
                     },

dot_config/nushell/utils.nu

@@ -58,3 +58,7 @@ export def 'start-lab-session' [
     pueue kill $task_id
     pueue rm $task_id
 }
+
+export def in-devenv? [] {
+    "DEVENV_RUNTIME" in $env
+}