Search_model has context

I have an add-on which allow to open multiple windows. So would like to know which browser has done the search. This
would allow me to have browser with various setting. In particular, I've an add-on which allow to show a single line by
note, and I would like for some browser to have this feature on and for some other to have this feature off.

qt/aqt/browser.py

@@ -70,6 +70,7 @@ class FindDupesDialog:
 @dataclass
 class SearchContext:
     search: str
+    browser: Browser
     order: Union[bool, str] = True
     # if set, provided card ids will be used instead of the regular search
     card_ids: Optional[Sequence[int]] = None
@@ -181,7 +182,7 @@ class DataModel(QAbstractTableModel):
         self.cards = []
         error_message: Optional[str] = None
         try:
-            ctx = SearchContext(search=txt)
+            ctx = SearchContext(search=txt, browser=self.browser)
             gui_hooks.browser_will_search(ctx)
             if ctx.card_ids is None:
                 ctx.card_ids = self.col.find_cards(ctx.search, order=ctx.order)