part 2 of filter/sort drill down from charts (#16013)

in this PR, we will handle simple filter translations (ie, fields that
use the contains operand)

packages/twenty-front/src/modules/views/utils/splitFieldNameIntoBaseAndSubField.ts

@@ -0,0 +1,16 @@
+export const splitFieldNameIntoBaseAndSubField = (
+  fieldName: string,
+): {
+  baseFieldName: string;
+  subFieldName?: string;
+} => {
+  const fieldParts = fieldName.split('.');
+  const baseFieldName = fieldParts[0];
+  const subFieldName =
+    fieldParts.length > 1 ? fieldParts.slice(1).join('.') : undefined;
+
+  return {
+    baseFieldName,
+    subFieldName,
+  };
+};