[IMP] web: image field control buttons layout issue

image widget control button icon(Edit and Delete) not displayed in one line
button tag is used for control buttons and button tag has default padding
so removed default padding added by browser by explicitly defining padding 4px

task-2042276
closes: #35265

addons/web/static/src/scss/fields.scss

@@ -381,6 +381,7 @@
             }
 
             > .fa {
+                padding: 4px;
                 margin: 5px;
                 cursor: pointer;
             }