Check for dirs when getting mimetypes in a couple more places

kittens/diff/collect.py

@@ -155,7 +155,7 @@ def sanitize(text: str) -> str:
 
 @lru_cache(maxsize=1024)
 def mime_type_for_path(path: str) -> str:
-    return guess_type(path) or 'application/octet-stream'
+    return guess_type(path, allow_filesystem_access=True) or 'application/octet-stream'
 
 
 @lru_cache(maxsize=1024)

kitty/complete.py

@@ -478,7 +478,7 @@ def complete_icat_args(ans: Completions, opt: Optional[OptionDict], prefix: str,
     from .guess_mime_type import guess_type
 
     def icat_file_predicate(filename: str) -> bool:
-        mt = guess_type(filename)
+        mt = guess_type(filename, allow_filesystem_access=True)
         if mt and mt.startswith('image/'):
             return True
         return False