(2020•山东)已知函数\( f\left(x\right)=\left\{\begin{array}{c}2x-5，x\ge 0\\ {x}^{2}+2x，x<0.\end{array}\right.​\)
(1)求\( f\left[f\right(1\left)\right]​\)的值;
(2)求\( f\left(\right|a-1\left|\right)<3​\)，求实数\( a​\)的取值范围.