Place the filter category list on the right in Divi Blog Extras

If you want to place the category filter on the right in Divi Blog Extras add the following CSS in Divi Theme Options

@media screen and (min-width: 981px) {

.et_pb_blog_extras .et_pb_posts {
    display: flex;
    flex-direction: row-reverse;
}
    
.el-dbe-filterable-categories .el-dbe-post-categories {
    display: flex !important;
    flex-wrap: wrap;
}

.el-dbe-blog-extra {
    margin-right: 30px;
    width: 85%;
}

.el-dbe-filterable-categories {
    width: calc(15% - 30px);
}

.et_pb_blog_extras .el-dbe-post-categories li {
    margin-right: 0;
    margin-bottom: 10px;
    width: 100%;
}
}

Output: