Make drawBehindEverything property default to true in AxisTitles class, imaNNeo#1097.

Author: imaNNeo

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## newVersion
 * **IMPROVEMENT** (by @imaNNeo) Remove assertion to check to provide only one of `color` or `gradient` property in the [BarChartRodData](https://github.com/imaNNeo/fl_chart/blob/master/repo_files/documentations/bar_chart.md#barchartroddata) and [BackgroundBarChartRodData](https://github.com/imaNNeo/fl_chart/blob/master/repo_files/documentations/bar_chart.md#backgroundbarchartroddata), #1121.
+* **IMPROVEMENT** (by @imaNNeo) Make `drawBehindEverything` property default to `true` in [AxisTitles](https://github.com/imaNNeo/fl_chart/blob/master/repo_files/documentations/base_chart.md#axistitle) class, #1097.
 * **BUGFIX** (by @imaNNeo) Show `0` instead of `-0` in some edge-cases in the default titles 
 
 ## 0.60.0

lib/src/chart/base/axis_chart/axis_chart_data.dart

@@ -226,7 +226,7 @@ class AxisTitles with EquatableMixin {
  bool? drawBehindEverything,
  }) : axisNameSize = axisNameSize ?? 16,
  sideTitles = sideTitles ?? SideTitles(),
- drawBelowEverything = drawBehindEverything ?? false;
+ drawBelowEverything = drawBehindEverything ?? true;
 
  /// Determines the size of [axisName]
  final double axisNameSize;

repo_files/documentations/base_chart.md

@@ -22,7 +22,7 @@
 |axisNameSize| Determines the size of [axisName] | `16`|
 |axisNameWidget| It shows the name of axis (you can pass a Widget)| `null`|
 |sideTitles| It accepts a [SideTitles](#SideTitles) which is responsible to show your axis side titles| `SideTitles()`|
-|drawBehindEverything| If titles are showing on top of your tooltip, you can draw them behind everything.| `false`|
+|drawBehindEverything| If titles are showing on top of your tooltip, you can draw them behind everything.| `true`|
 
 ### SideTitles
 |PropName|Description|default value|