style(sqllab): restore Template Parameters modal styling (#35965)

(cherry picked from commit ae63f64771)

superset-frontend/src/SqlLab/components/TemplateParamsEditor/index.tsx

@@ -35,6 +35,14 @@ const StyledConfigEditor = styled(ConfigEditor)`
   }
 `;
 
+const StyledParagraph = styled.p`
+  margin-top: 0;
+`;
+
+const Code = styled.code`
+  color: ${({ theme }) => theme.colorPrimary};
+`;
+
 export type TemplateParamsEditorProps = {
   queryEditorId: string;
   language: 'yaml' | 'json';
@@ -64,13 +72,11 @@ const TemplateParamsEditor = ({
 
   const modalBody = (
     <div>
-      <p>
-        {t('Assign a set of parameters as')}
-        <code>JSON</code>
-        {t('below (example:')}
-        <code>{'{"my_table": "foo"}'}</code>
-        {t('), and they become available in your SQL (example:')}
-        <code>SELECT * FROM {'{{ my_table }}'} </code>) {t('by using')}&nbsp;
+      <StyledParagraph>
+        {t('Assign a set of parameters as')} <Code>JSON</Code>{' '}
+        {t('below (example:')} <Code>{'{"my_table": "foo"}'}</Code>
+        {t('), and they become available in your SQL (example:')}{' '}
+        <Code>SELECT * FROM {'{{ my_table }}'} </Code>) {t('by using')}&nbsp;
         <a
           href="https://superset.apache.org/sqllab.html#templating-with-jinja"
           target="_blank"
@@ -79,7 +85,7 @@ const TemplateParamsEditor = ({
           {t('Jinja templating')}
         </a>{' '}
         {t('syntax.')}
-      </p>
+      </StyledParagraph>
       <StyledConfigEditor
         mode={language}
         minLines={25}