[FeatureRequest] Dev Env Settings Window input field

[janosmurai]

After the Dev Env Settings Window has been loaded, the input field should be the active UI item. If the input field is active, the '*' (asterisk) cursor should disappear.
The input field should implement a simple search functionality:

• Match any part of the Tool image names (the full name, so with the registry).
• Case insensitive.
• No regex or special character handling is needed.

As the user types into the search field, the item list should be filtered accordingly, after every keypress.
If the user presses enter, the cursor should appear again, but in the filtered list. The list should become the active UI item.
Pressing 'esc' should clear the search.

The user should be able to navigate between the UI items by pressing the ‘tab’ or ‘shift’ + ‘tab’ keys.

The Dev Env Settings window should look like this:

Entering the text to search for should look like this:

Reference: https://textual.textualize.io/widgets/input/

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For axem internal use only:
Jira: https://axem.atlassian.net/browse/DEM-282