[BUG FIX] xxxOperations::_read__text_with_encoding opens a file as text

LocalOps uses "open(filename, mode='r', encoding=encoding)"

RemoteOps uses "io.TextIOWrapper(io.BytesIO(binaryData), encoding=encoding)"

It solves a problem on Windows.

Author: dmitry-lipetsk

testgres/operations/local_ops.py

@@ -286,11 +286,10 @@ def read(self, filename, encoding=None, binary=False):
     def _read__text_with_encoding(self, filename, encoding):
         assert type(filename) == str  # noqa: E721
         assert type(encoding) == str  # noqa: E721
-        content = self._read__binary(filename)
-        assert type(content) == bytes  # noqa: E721
-        content_s = content.decode(encoding)
-        assert type(content_s) == str  # noqa: E721
-        return content_s
+        with open(filename, mode='r', encoding=encoding) as file:  # open in a text mode
+            content = file.read()
+            assert type(content) == str  # noqa: E721
+            return content
 
     def _read__binary(self, filename):
         assert type(filename) == str  # noqa: E721