MC-5405: Column Minimum Height Issues

- remove extra height to content types to ensure row does not resize when dropped into row

Author: anthoula

app/code/Magento/PageBuilder/view/adminhtml/web/css/source/content-type/_preview.less

@@ -225,7 +225,6 @@
     -moz-transition: box-shadow 200ms ease 200ms;
     -o-transition: box-shadow 200ms ease 200ms;
     -webkit-transition: box-shadow 200ms ease 200ms;
-    border: 1px solid transparent;
     box-shadow: 0 0 0 1px rgba(153, 153, 153, 0);
     box-sizing: border-box;
     position: relative;

app/code/Magento/PageBuilder/view/adminhtml/web/css/source/content-type/image/_default.less

@@ -8,7 +8,6 @@
 //  _____________________________________________
 
 .pagebuilder-image {
-    border: 1px solid transparent;
     width: 100%;
 }
 

app/code/Magento/PageBuilder/view/adminhtml/web/css/source/content-type/map/_default.less

@@ -7,9 +7,14 @@
 //  Default appearance styles
 //  _____________________________________________
 
-.pagebuilder-map > div:first-child {
-    height: 300px;
+.pagebuilder-map {
+    line-height: 10px;
+
+    > div:first-child {
+        height: 300px;
+    }
 }
+
 [data-role='map'] {
     display: inline-block;
     height: 300px;