MC-5025: Right/Left Margin Not Working For Content Types

- allow margins to decrease width to fit in parent

Author: anthoula

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

@@ -4,9 +4,9 @@
 //  */
 
 .pagebuilder-content-type {
-    display: inline-block;
+    display: block;
     font-size: 14px;
-    width: 100%;
+
     [contenteditable=true] {
         -webkit-user-select: text;
         overflow-wrap: break-word;

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

@@ -16,8 +16,4 @@
         width: initial;
         max-width: 100%;
     }
-
-    > .element-children {
-        width: 100%;
-    }
 }

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

@@ -11,7 +11,6 @@
     height: 300px;
 }
 [data-role='map'] {
-    display: inline-block;
+    display: block;
     height: 300px;
-    width: 100%;
 }