Revert "Hotfix: fix equality check of SymbolLocation"

This reverts commit ba1a613bc9.

src/serena/symbol.py

@@ -17,7 +17,7 @@ if TYPE_CHECKING:
 log = logging.getLogger(__name__)
 
 
-@dataclass(eq=False)
+@dataclass
 class SymbolLocation:
     """
     Represents the location of a symbol, including the line where the identifier
@@ -59,17 +59,6 @@ class SymbolLocation:
     def has_position_in_file(self) -> bool:
         return self.relative_path is not None and self.line is not None and self.column is not None
 
-    def matches_identifier_location(self, other: Self) -> bool:
-        """
-        Checks if this instance matches a symbol identifier location.
-        Since symbol identifiers are only concerned with the start position,
-        the end_line is not taken into account.
-        """
-        if self.relative_path is None:
-            # not defined locations don't match anything
-            return False
-        return self.relative_path == other.relative_path and self.line == other.line and self.column == other.column
-
 
 class Symbol(ToStringMixin):
     _NAME_PATH_SEP = "/"
@@ -379,7 +368,7 @@ class SymbolManager:
         symbol_dicts, roots = self.lang_server.request_document_symbols(location.relative_path, include_body=False)
         for symbol_dict in symbol_dicts:
             symbol = Symbol(symbol_dict)
-            if symbol.location.matches_identifier_location(location):
+            if symbol.location == location:
                 return symbol
         return None