Fix ts error resolve rich text (#16688)

As title

packages/twenty-front/src/modules/workflow/workflow-steps/workflow-actions/components/WorkflowEditActionUpsertRecord.tsx

@@ -268,7 +268,7 @@ export const WorkflowEditActionUpsertRecord = ({
               <FormSingleRecordPicker
                 key="id"
                 testId="workflow-upsert-record-id"
-                label="Record (ID)"
+                label={t`Record (ID)`}
                 onChange={(recordId) => {
                   handleFieldChange('id', recordId);
                 }}

packages/twenty-server/src/modules/workflow/workflow-executor/workflow-actions/tool-executor-workflow-action.ts

@@ -53,10 +53,7 @@ export class ToolExecutorWorkflowAction implements WorkflowAction {
       if (sendEmailInput.body) {
         toolInput = {
           ...sendEmailInput,
-          body: resolveRichTextVariables(
-            sendEmailInput.body,
-            context,
-          ),
+          body: resolveRichTextVariables(sendEmailInput.body, context),
         };
       }
     }

packages/twenty-shared/src/utils/rich-text-variable-resolver.ts

@@ -31,9 +31,9 @@ const buildTextNodesWithLineBreaks = (text: string): string => {
 export const resolveRichTextVariables = (
   input: string | null | undefined,
   context: Record<string, unknown>,
-): string | null | undefined => {
+): string | undefined => {
   if (!isDefined(input)) {
-    return input;
+    return undefined;
   }
 
   return input.replace(