#42174: fix: fill 'field.name' in the auto-added Time field (#42301)

pkg/services/live/pipeline/json_to_frame.go

@@ -108,6 +108,7 @@ func jsonDocToFrame(name string, body []byte, fields map[string]Field, nowTimeFu
 	}
 
 	f := data.NewFieldFromFieldType(data.FieldTypeTime, 1)
+	f.Name = "Time"
 	f.Set(0, nowTimeFunc())
 	d.fields = append(d.fields, f)
 

pkg/services/live/pipeline/testdata/json_auto.golden.txt

@@ -4,7 +4,7 @@ Frame[0]
 Name: 
 Dimensions: 8 Fields by 1 Rows
 +-------------------------------+------------------+-----------------------+-----------------------+--------------------+--------------------+----------------------------+----------------------------+
-| Name:                         | Name: ax         | Name: string_array[0] | Name: string_array[1] | Name: int_array[0] | Name: int_array[1] | Name: map_with_floats.key1 | Name: map_with_floats.key2 |
+| Name: Time                    | Name: ax         | Name: string_array[0] | Name: string_array[1] | Name: int_array[0] | Name: int_array[1] | Name: map_with_floats.key1 | Name: map_with_floats.key2 |
 | Labels:                       | Labels:          | Labels:               | Labels:               | Labels:            | Labels:            | Labels:                    | Labels:                    |
 | Type: []time.Time             | Type: []*float64 | Type: []*string       | Type: []*string       | Type: []*float64   | Type: []*float64   | Type: []*float64           | Type: []*float64           |
 +-------------------------------+------------------+-----------------------+-----------------------+--------------------+--------------------+----------------------------+----------------------------+
@@ -13,4 +13,4 @@ Dimensions: 8 Fields by 1 Rows
 
 
 ====== TEST DATA RESPONSE (arrow base64) ======
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