[SPARK-54332][PYTHON][CONNECT] No need to attach PlanId in grouping column names in rollup/cube/groupingSets

### What changes were proposed in this pull request?
A follow up of apache#52933, avoiding attaching plan id of column names in rollup/cube/groupingSets

### Why are the changes needed?
to be consistent with classic:

https://github.com/apache/spark/blob/e75ca577923f9f465eb06b4df814c00143fa41ea/sql/api/src/main/scala/org/apache/spark/sql/Dataset.scala#L1415-L1416

https://github.com/apache/spark/blob/e75ca577923f9f465eb06b4df814c00143fa41ea/sql/api/src/main/scala/org/apache/spark/sql/Dataset.scala#L1366-L1368

### Does this PR introduce _any_ user-facing change?
no

### How was this patch tested?
ci

### Was this patch authored or co-authored using generative AI tooling?
no

Closes apache#53033 from zhengruifeng/no_plan_id_cube.

Authored-by: Ruifeng Zheng <ruifengz@apache.org>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>

Author: zhengruifeng

python/pyspark/sql/connect/dataframe.py

@@ -619,7 +619,7 @@ def rollup(self, *cols: "ColumnOrNameOrOrdinal") -> "GroupedData":  # type: igno
             if isinstance(c, Column):
                 _cols.append(c)
             elif isinstance(c, str):
-                _cols.append(self[c])
+                _cols.append(F.col(c))
             elif isinstance(c, int) and not isinstance(c, bool):
                 if c < 1:
                     raise PySparkIndexError(
@@ -649,7 +649,7 @@ def cube(self, *cols: "ColumnOrName") -> "GroupedData":  # type: ignore[misc]
             if isinstance(c, Column):
                 _cols.append(c)
             elif isinstance(c, str):
-                _cols.append(self[c])
+                _cols.append(F.col(c))
             elif isinstance(c, int) and not isinstance(c, bool):
                 if c < 1:
                     raise PySparkIndexError(
@@ -675,7 +675,7 @@ def groupingSets(
                 if isinstance(c, Column):
                     gset.append(c)
                 elif isinstance(c, str):
-                    gset.append(self[c])
+                    gset.append(F.col(c))
                 else:
                     raise PySparkTypeError(
                         errorClass="NOT_COLUMN_OR_STR",
@@ -691,7 +691,7 @@ def groupingSets(
             if isinstance(c, Column):
                 gcols.append(c)
             elif isinstance(c, str):
-                gcols.append(self[c])
+                gcols.append(F.col(c))
             else:
                 raise PySparkTypeError(
                     errorClass="NOT_COLUMN_OR_STR",