TextInput

### Current behaviour
when use TextInput with icon and set the backgroundColor black lets say so the background of icon return to the default

### Expected behaviour
it should be all background is black also the icon

### How to reproduce?
the solution is very simple we have a style props in textInput but its never used in props of the component.
just put the style variable in props of textInput so that we can used in the our component

首先检查 TextInput 组件，以及它的 style prop 是如何传递给渲染出的 input 和 icon 的。使用 icon 和黑色背景重现该情况，然后验证 icon 的背景也会变成黑色。

由索引模型根据 Issue 内容生成。