chore: Hugh/migrate estimate query cost to v1 (#23226)

Co-authored-by: Diego Medina <diegomedina24@gmail.com>

superset-frontend/src/SqlLab/actions/sqlLab.js

@@ -184,18 +184,20 @@ export function estimateQueryCost(queryEditor) {
     const { dbId, schema, sql, selectedText, templateParams } =
       getUpToDateQuery(getState(), queryEditor);
     const requestSql = selectedText || sql;
-    const endpoint =
-      schema === null
-        ? `/superset/estimate_query_cost/${dbId}/`
-        : `/superset/estimate_query_cost/${dbId}/${schema}/`;
+
+    const postPayload = {
+      database_id: dbId,
+      schema,
+      sql: requestSql,
+      template_params: JSON.parse(templateParams || '{}'),
+    };
+
     return Promise.all([
       dispatch({ type: COST_ESTIMATE_STARTED, query: queryEditor }),
       SupersetClient.post({
-        endpoint,
-        postPayload: {
-          sql: requestSql,
-          templateParams: JSON.parse(templateParams || '{}'),
-        },
+        endpoint: '/api/v1/sqllab/estimate/',
+        body: JSON.stringify(postPayload),
+        headers: { 'Content-Type': 'application/json' },
       })
         .then(({ json }) =>
           dispatch({ type: COST_ESTIMATE_RETURNED, query: queryEditor, json }),