..F....... [ZBX-25511] fixed overriding Y-axes in Graph widget; fixed long names in datasets of Graph and Pie Chart widgets
* commit '7b6e43a9359b4aa2c0936d82b5cfa5f9e1c382df':
.......... [ZBX-25511] fixed Selenium pie chart widget test
..F....... [ZBX-25511] updated changelog
..F....... [ZBX-25511] added changelog
..F....... [ZBX-25511] removed empty line
..F....... [ZBX-25511] fixed overriding Y-axes in Graph widget
..F....... [ZBX-25511] fixed CSS part of Graph widget form to contain long names in overrides
..F....... [ZBX-25511] fixed CSS part of Pie Chart form to contain long names
..F....... [ZBX-25511] fixed JS part of Pie Chart form to mimic behavior of Graph widget
