Fix count of finished runs

Query the database instead of filter the runs later.
This ensures that the count of finished and not deleted runs will be correct.
This also fixes the pagination, some pages ended up having less than page_size runs.

server/fishtest/rundb.py

@@ -473,7 +473,7 @@ def get_finished_runs(
         yellow_only=False,
         ltc_only=False,
     ):
-        q = {"finished": True}
+        q = {"finished": True, "deleted": False}
         if username:
             q["args.username"] = username
         if ltc_only:
@@ -489,8 +489,7 @@ def get_finished_runs(
 
         count = self.runs.count_documents(q)
 
-        # Don't show runs that were deleted
-        runs_list = [run for run in c if not run.get("deleted")]
+        runs_list = list(c)
         return [runs_list, count]
 
     def get_results(self, run, save_run=True):