Disable fmt feature of polars(-core) (#12151)

In normal operations we don't display the dataframes directly.
The `fmt` feature on `polars-core` pulls in the `comfy-table` crate with
its own dependencies on `crossterm` and `strum(_macros)`.
This has the chance to duplicate dependencies. (currently strum version
divergence)

Without this feature only the shapes should be displayed.

May degrade the error output during testing.

Cargo.lock

@@ -773,18 +773,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
 
-[[package]]
-name = "comfy-table"
-version = "7.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c64043d6c7b7a4c58e39e7efccfdea7b93d885a795d0c054a69dbbf4dd52686"
-dependencies = [
- "crossterm",
- "strum 0.25.0",
- "strum_macros 0.25.3",
- "unicode-width",
-]
-
 [[package]]
 name = "compact_str"
 version = "0.7.1"
@@ -3098,7 +3086,7 @@ dependencies = [
  "rstest",
  "serde",
  "serde_json",
- "strum 0.26.1",
+ "strum",
  "strum_macros 0.26.1",
  "thiserror",
  "typetag",
@@ -3855,7 +3843,6 @@ dependencies = [
  "bytemuck",
  "chrono",
  "chrono-tz",
- "comfy-table",
  "either",
  "hashbrown 0.14.3",
  "indexmap",
@@ -4467,7 +4454,7 @@ dependencies = [
  "lru",
  "paste",
  "stability",
- "strum 0.26.1",
+ "strum",
  "unicode-segmentation",
  "unicode-width",
 ]
@@ -4527,7 +4514,7 @@ dependencies = [
  "serde",
  "serde_json",
  "strip-ansi-escapes",
- "strum 0.26.1",
+ "strum",
  "strum_macros 0.26.1",
  "thiserror",
  "unicode-segmentation",
@@ -5336,12 +5323,6 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
-[[package]]
-name = "strum"
-version = "0.25.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "290d54ea6f91c969195bdbcd7442c8c2a2ba87da8bf60a7ee86a235d4bc1e125"
-
 [[package]]
 name = "strum"
 version = "0.26.1"

crates/nu-cmd-dataframe/Cargo.toml

@@ -39,7 +39,6 @@ features = [
 	"cross_join",
 	"csv",
 	"cum_agg",
-	"default",
 	"dtype-categorical",
 	"dtype-datetime",
 	"dtype-struct",
@@ -60,8 +59,10 @@ features = [
 	"serde",
 	"serde-lazy",
 	"strings",
+	"temporal",
 	"to_dummies",
 ]
+default-features = false
 optional = true
 version = "0.37"