Scheduler: current_time_shader refactor — pass config object instead of whole workspace

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What:

Base CurrentTimeShader no longer depends on the entire workspace. It receives only the $container element it actually uses

How:

Subclasses now own the workSpace reference and pass workSpace.getScrollable().$content() to super()

[Copilot]

Pull request overview

Refactors the Scheduler “current time shader” implementation so the base CurrentTimeShader no longer depends on the full workspace instance, reducing coupling inside the internal scheduler shaders layer.

Changes:

• CurrentTimeShader now receives the scrollable content container ($container) via constructor instead of accessing it through a SchedulerWorkSpace.
• Horizontal/Vertical shader subclasses now own the workSpace reference and pass workSpace.getScrollable().$content() to super().

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
packages/devextreme/js/__internal/scheduler/shaders/current_time_shader.ts	Base shader now depends only on $container rather than the whole workspace.
packages/devextreme/js/__internal/scheduler/shaders/current_time_shader_vertical.ts	Adds workspace-owned constructor and forwards scrollable $content() to the base shader.
packages/devextreme/js/__internal/scheduler/shaders/current_time_shader_horizontal.ts	Adds workspace-owned constructor and forwards scrollable $content() to the base shader.