[ES|QL] Reorder from suggestions (#241281)

## Summary
Now after an index pattern we display:
* Pipe
* Comma
* METADATA
* Suggested querys



![from](https://github.com/user-attachments/assets/ade556a0-f584-4f85-8cc1-f07069743e28)

Author: sddonne

src/platform/packages/shared/kbn-esql-ast/src/commands_registry/commands/from/autocomplete.ts

@@ -55,9 +55,10 @@ export async function autocomplete(
   }
   // FROM something /
   else if (indexes.length > 0 && /\s$/.test(innerText) && !isRestartingExpression(innerText)) {
-    suggestions.push(metadataSuggestion);
+    suggestions.push({ ...pipeCompleteItem, sortText: '0' });
     suggestions.push(commaCompleteItem);
-    suggestions.push(pipeCompleteItem);
+    suggestions.push(metadataSuggestion);
+
     suggestions.push(
       ...(await getRecommendedQueriesSuggestions(
         context?.editorExtensions ?? { recommendedFields: [], recommendedQueries: [] },

src/platform/packages/shared/kbn-esql-ast/src/commands_registry/options/metadata/index.ts

@@ -32,7 +32,7 @@ export const metadataSuggestion: ISuggestionItem = withAutoSuggest({
   detail: i18n.translate('kbn-esql-ast.esql.definitions.metadataDoc', {
     defaultMessage: 'Metadata',
   }),
-  sortText: '1',
+  sortText: 'C',
 });
 
 export const getMetadataSuggestions = (command: ESQLAstAllCommands, queryText: string) => {

src/platform/packages/shared/kbn-esql-ast/src/definitions/utils/sources.ts

@@ -181,6 +181,7 @@ export async function additionalSourcesSuggestions(
             filterText: fragment,
             text: fragment + ' | ',
             rangeToReplace,
+            sortText: '0',
           }),
           withAutoSuggest({
             ...commaCompleteItem,