/diff is having off by one space err

[metta-alpha]

What version of Code is running?

0.6.14

Which model were you using?

What platform is your computer?

Linux 6.14.0-27-generic x86_64 unknown

What steps can reproduce the bug?

run /diff

What is the expected behavior?

   @@ -19,6 +19,7 @@ COLS_PREFIXES = [
         "avg_",
         "peak_",
         "total_",
   +     "pos_hl_"
     ]
     COLS_POSTFIXES = ["_usd", "_cnt", "_pct", "_ps"]

What do you see instead?

   @@ -19,6 +19,7 @@ COLS_PREFIXES = [
         "avg_",
         "peak_",
         "total_",
   +    "pos_hl_"
     ]
     COLS_POSTFIXES = ["_usd", "_cnt", "_pct", "_ps"]

Additional information

03536a1
^ this commit prob missing a "space"

tho... it might be cleaner to use --no-color instead here: #472
(^ this is really up to taste, i have no real qualms with just patching the diff sanitizer)

btw i very much appreciate the very fast fix :)))) using this quite a bit now, really gud project u have here