feat: steps add small dot

Author: tangjinzhou

components/steps/style/progress-dot.less

@@ -76,13 +76,27 @@
     margin-left: 0;
     background: none;
   }
+
   // https://github.com/ant-design/ant-design/issues/18354
   .@{steps-prefix-cls}-item > .@{steps-prefix-cls}-item-container > .@{steps-prefix-cls}-item-tail {
     top: 6.5px;
     left: -9px;
     margin: 0;
     padding: 22px 0 4px;
   }
+
+  &.@{steps-prefix-cls}-small {
+    .@{steps-prefix-cls}-item-icon {
+      margin-top: 10px;
+    }
+
+    .@{steps-prefix-cls}-item
+      > .@{steps-prefix-cls}-item-container
+      > .@{steps-prefix-cls}-item-tail {
+      top: 3.5px;
+    }
+  }
+
   .@{steps-prefix-cls}-item:first-child .@{steps-prefix-cls}-icon-dot {
     left: 0;
   }

components/steps/style/rtl.less

@@ -25,6 +25,14 @@
       padding-left: 16px;
     }
 
+    .@{steps-prefix-cls}-item-subtitle {
+      .@{steps-prefix-cls}-rtl & {
+        float: left;
+        margin-right: 8px;
+        margin-left: 0;
+      }
+    }
+
     &::after {
       .@{steps-prefix-cls}-rtl & {
         right: 100%;
@@ -46,6 +54,7 @@
         padding-right: 0;
       }
     }
+
     &:last-child .@{steps-prefix-cls}-item-title {
       .@{steps-prefix-cls}-rtl& {
         padding-left: 0;
@@ -86,6 +95,7 @@
         margin-left: 0;
         text-align: right;
       }
+
       .@{steps-prefix-cls}-item-title {
         .@{steps-prefix-cls}-rtl& {
           padding-left: 0;
@@ -187,6 +197,7 @@
         }
       }
     }
+
     &:first-child .@{steps-prefix-cls}-icon-dot {
       .@{steps-prefix-cls}-rtl& {
         right: 2px;
@@ -224,19 +235,22 @@
       margin-left: 16px;
     }
   }
+
   // https://github.com/ant-design/ant-design/issues/18354
   .@{steps-prefix-cls}-item > .@{steps-prefix-cls}-item-container > .@{steps-prefix-cls}-item-tail {
     .@{steps-prefix-cls}-rtl& {
       right: -9px;
       left: auto;
     }
   }
+
   .@{steps-prefix-cls}-item:first-child .@{steps-prefix-cls}-icon-dot {
     .@{steps-prefix-cls}-rtl& {
       right: 0;
       left: auto;
     }
   }
+
   .@{steps-prefix-cls}-item-process .@{steps-prefix-cls}-icon-dot {
     .@{steps-prefix-cls}-rtl& {
       right: -2px;
@@ -247,7 +261,11 @@
 
 // RTL Steps with progress
 .@{steps-prefix-cls}-rtl.@{steps-prefix-cls}-with-progress.@{steps-prefix-cls}-horizontal.@{steps-prefix-cls}-label-horizontal {
-  .@{steps-prefix-cls}-item:first-child.@{steps-prefix-cls}-item-active {
+  .@{steps-prefix-cls}-item:first-child {
     padding-right: 4px;
+    padding-left: 0;
+    &.@{steps-prefix-cls}-item-active {
+      padding-right: 4px;
+    }
   }
 }