fix(loading): [icon] Fix loadingshadow, built-in rotation (#2023)

* feat(loading): 增加loading-shadow自转功能，去除loading组件css动画

* feat(icon): 控制尺寸

* feat(search): 控制尺寸

* fix(autocompelte): 转速改为1秒

Author: chenxi-20

packages/theme/src/autocomplete/index.less

@@ -45,7 +45,7 @@
     }
 
     & &__list-item {
-      padding: var(--ti-autocomplete-li-padding-vertical)  var(--ti-autocomplete-li-padding-horizontal);
+      padding: var(--ti-autocomplete-li-padding-vertical) var(--ti-autocomplete-li-padding-horizontal);
       margin: 0;
       line-height: var(--ti-autocomplete-li-height);
       color: var(--ti-autocomplete-li-text-color);
@@ -85,7 +85,6 @@
       svg {
         width: 16px;
         height: 16px;
-        animation: rotating 0.8s linear 0s infinite;
       }
     }
 
@@ -100,13 +99,3 @@
     }
   }
 }
-
-@keyframes rotating {
-  0% {
-    transform: rotateZ(0deg);
-  }
-
-  100% {
-    transform: rotateZ(360deg);
-  }
-}

packages/theme/src/loading/index.less

@@ -96,20 +96,6 @@
       }
     }
 
-    .circular {
-      animation: loading-rotate 2s linear infinite;
-      display: inline-block;
-    }
-
-    .path {
-      animation: loading-dash 1.5s ease-in-out infinite;
-      stroke-dasharray: 90, 150;
-      stroke-dashoffset: 0;
-      stroke-width: 2;
-      stroke: var(--ti-loading-icon-color);
-      stroke-linecap: round;
-    }
-
     svg {
       fill: var(--ti-loading-icon-color);
     }
@@ -129,42 +115,8 @@
   }
 }
 
-@keyframes loading-rotate {
-  100% {
-    transform: rotate(360deg);
-  }
-}
-
-@keyframes loading-dash {
-  0% {
-    stroke-dasharray: 1, 200;
-    stroke-dashoffset: 0;
-  }
-
-  50% {
-    stroke-dasharray: 90, 150;
-    stroke-dashoffset: -40px;
-  }
-
-  100% {
-    stroke-dasharray: 90, 150;
-    stroke-dashoffset: -120px;
-  }
-}
-
 .@{css-prefix-iconfont}-loading {
   font-size: var(--ti-common-font-size-1);
   line-height: 1;
   vertical-align: text-top;
-  animation: rotating 2s linear infinite;
-}
-
-@keyframes rotating {
-  0% {
-    transform: rotateZ(0deg);
-  }
-
-  100% {
-    transform: rotateZ(360deg);
-  }
 }