refine styling

Author: Jicheng Lu

src/lib/scss/custom/pages/_agent.scss

@@ -262,6 +262,7 @@
 
                 .utility-tooltip {
                     display: flex;
+                    gap: 5px;
                 }
 
                 input {

src/routes/page/agent/[agentId]/agent-components/rules/agent-rule-item.svelte

@@ -143,7 +143,6 @@
                 <div class="line-align-center">
                     <i
                         class="bx bx-cog text-primary fs-6 clickable"
-                        style="padding-top: 2px;"
                         id={`rule-config-${ruleIndex}`}
                         data-bs-toggle="tooltip"
                         data-bs-placement="top"