TRUNK-5298 Prevent editorconfig from trimming trailing whitespaces

we have trailing whitespaces in our code due to our formatter settings
removing those with editorconfig will cause a lot of changes and be in
conflict with our style

.editorconfig

@@ -3,6 +3,6 @@ root = true
 [*]
 charset = utf-8
 insert_final_newline = true
-trim_trailing_whitespace = true
+trim_trailing_whitespace = false
 indent_style = tab
 indent_size = 4