Remove Experimental Flag and Card Disable for Single Persist Connection Logic

[sachiniSam]

Purpose

With this PR, the Persist Connection creation logic that was gated by the experimental enable check has been removed. Additionally, the card disabling behavior when only a single persist connection exists has also been removed.

Goals

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Approach

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• Added reusable UI components to the ui-toolkit. Follow the intructions when adding the componenent.
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• Added Icons to the font-wso2-vscode. Follow the instructions.

User stories

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Release note

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Documentation

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Training

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Certification

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Summary by CodeRabbit

• New Features
  • Database connector is now consistently available in the connection options without experimental feature gating restrictions.

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Walkthrough

The pull request removes experimental feature gating from the connection popup component, eliminating state management, effects, and conditional logic that controlled Database connector visibility. The code now consistently displays both API and Database options without flag-based conditions, reducing complexity through conditional simplification.

Changes

Cohort / File(s)	Summary
Feature Flag Removal workspaces/ballerina/ballerina-visualizer/src/views/BI/Connection/AddConnectionPopup/index.tsx	Eliminated experimental feature gating logic, including state management and effects that fetched/checked experimental flags. Simplified connector option rendering to always show Database option, streamlined getConnectorCreationOptions function, and removed conditional UI elements (disabled states, tooltips). Reduced overall code by 90 lines through conditional branch removal.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Poem

🐰 No more flags to flip and bind,
The Database shines, now easy to find,
Experimental gates fall away with glee,
Simpler code flows wild and free! ✨

🚥 Pre-merge checks | ✅ 3 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The PR description is largely incomplete. Only the Purpose section is filled; Goals, Approach, and all other required sections contain template placeholders without substantive content.	Complete the Goals section explaining how removal addresses the purpose, add technical details in Approach, and fill critical sections like Release note, Documentation, and test environment information.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately and concisely summarizes the main changes: removing experimental flag and card disable behavior for persist connection logic.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Merge Conflict Detection	✅ Passed	✅ No merge conflicts detected when merging into feature/persist-improvements

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[sachiniSam]

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