tag_search: order shorter tag names first

Author: TheBobBobs

src/tagstudio/core/library/alchemy/library.py

@@ -1073,7 +1073,7 @@ def search_tags(self, name: str | None, limit: int = 100) -> tuple[list[Tag], li
         name = name.lower()
 
         def sort_key(text: str):
-            return (not text.startswith(name), text)
+            return (not text.startswith(name), len(text), text)
 
         with Session(self.engine) as session:
             query = select(Tag.id, Tag.name)