feat: editor 兼容手机端调整

src/components/packages/theme/formEditor/Canves.scss

@@ -34,7 +34,7 @@
     box-sizing: content-box;
   }
   @include e(subject) {
-    margin: 0 28px 0;
+    margin: 0 16px 0;
     box-shadow: 0px 0px 4px 0px rgba(0, 0, 0, 0.1);
   }
   @include e(wrap) {

src/components/packages/theme/formEditor/Main.scss

@@ -2,6 +2,7 @@
   height: 100vh;
   .el-container {
     height: 100%;
+		min-width: 360px;
   }
   //@include e(icon) {
   //  color: $primary-color;