fix: 调整showHint弹窗样式

src/assets/css/components/components/advancedSearch/codemirror.scss

@@ -425,7 +425,7 @@ span.CodeMirror-selectedtext { background: none; }
 
 .CodeMirror-hint {
   margin: 0;
-  padding: 0 4px !important;
+  padding: 0 !important;
   line-height: 20px !important;
   border-radius: 2px;
   white-space: pre;
@@ -468,7 +468,7 @@ span.CodeMirror-selectedtext { background: none; }
     display: flex;
     flex-direction: row;
     width: calc(100% - 41px);
-    min-height: 320px;
+    min-height: 298px;
     margin-top: 6px;
     box-shadow: 0 2px 8px 0 rgba(0,0,0,.3);
     z-index: 2;

src/components/advancedSearch/showhint/Hint/HelperInfo.vue

@@ -120,7 +120,7 @@ export default {
   .HelperInfo {
     min-width: 450px;
     background-color: #fff;
-    height: 302px;
+    height: 294px;
     box-sizing: border-box;
     overflow: auto;
     z-index: 99;

src/components/advancedSearch/showhint/Hint/HintInfo.vue

@@ -103,7 +103,7 @@ export default {
 
 <style scoped>
   .HintInfo {
-    height: 302px;
+    height: 280px;
     overflow: auto;
     background: #fff;
   }