feat!: prefix P abbr with a dot

modules/programs/fish.nix

@@ -31,7 +31,7 @@ in
           enable = true;
           shellAbbrs = shellConfig.abbreviations;
           shellAliases = shellConfig.aliases;
-          shellInit = ''
+          shellInit = /* fish */ ''
             # Vi Mode
             fish_vi_key_bindings
 
@@ -62,7 +62,7 @@ in
             end
             abbr --add dotdot --regex '^\.\.+$' --function multicd
 
-            abbr -a P --position anywhere --set-cursor "% | $PAGER"
+            abbr -a .P --position anywhere --set-cursor "% | $PAGER"
 
             function editor_edit
               echo $EDITOR $argv