Dont enqueue assets or add popover if interactive task is not published

[ilicfilip]

This is something which is bugging me for some time now - interactive tasks add popover markup and enqueue (at least one) JavaScript file. But the issue is that they do it always when the class instance is created - it doesnt matter if the task is published or not (could be that it was completed long time ago).

Currently popovers add over 2000 lines of markup, <select> for set locale and timezone add most of it, which is often more than the rest of the page.

This PR adds a fix for it, by checking if a published task for specific task provider exists before adding popover and enqueueing JS file.

@aristath , if you have better name for newly added is_task_published method please rename it.

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✅ Code Coverage Report

Metric	Value
Total Coverage	24.01% 📉
Base Coverage	24.05%
Difference	📉 -0.04%

⚠️ Coverage below recommended 40% threshold

📊 File-level Coverage Changes (1 files)

📉 Coverage Decreased

Class	Before	After	Change
Progress_Planner\Suggested_Tasks\Providers\Tasks_Interactive	7.53%	6.73%	-0.80%

ℹ️ About this report

• All tests run in a single job with Xdebug coverage
• Security tests excluded from coverage to prevent output issues
• Coverage calculated from line coverage percentages