Mohammad Aminsafaei

This closes #2725

Add a test method for the `ShowSearchBox` and `PlaceholderSearchBox` parameters of the `BitDropDown` component.

The styles in `BitDropDown` are defined in a way that can easily be changed by global styles, which is not correct. The styles must be bound using the component's base...

Remove `BitIconButton` from the `BitDropDown` source, because raw HTML components should be used to improve performance.

Implement data annotation validation for BitSlider component with BitInputBase.

Implement data annotation validation for BitColorPicker component with BitInputBase.

Improve the BitTextField when the type is Number. This component should behave like the Chrome browser in the other browsers, so it should take and detect the numbers from any...

Improve update ChunkSize algorithm when the AutoChunkSizeEnabled is active in BitFileUpload. Currently, the implemented algorithm only depends on the last chunk uploaded which is not optimized.

If the responsive feature is enabled in the `BitDropDown` and the page width is 320 pixels, the items will not be displayed correctly. 

Add a feature to the `BitDropDown` to manage the opening of drop-down items on the page. For example, open from the top or bottom or be allowed to open in...