Thai tone marks and vowels at the end of the search term is wrongly removed. (#29071)

Co-authored-by: sukoom pornsuksiri <sukoom@mm.co.th>

server/public/model/search_params.go

@@ -11,7 +11,7 @@ import (
 )
 
 var searchTermPuncStart = regexp.MustCompile(`^[^\pL\d\s#"]+`)
-var searchTermPuncEnd = regexp.MustCompile(`[^\pL\d\s*"]+$`)
+var searchTermPuncEnd = regexp.MustCompile(`[^\pL\p{M}\d\s*"]+$`)
 
 type SearchParams struct {
 	Terms                  string   `json:"terms,omitempty"`