Tables Offerings UI follow-up

### Description

Each item below is a standalone task to be handled in a separate PR.

design for tables offerings: https://github.com/FlowFuse/flowfuse/issues/5717

## Table Columns

## Table Data
- [ ] #6428

## Labels & Passwords
- [x] Hide passwords by default with show toggle (mask credentials until revealed)

## Drawer
- [x] Make drawer resizable by dragging (allow expanding to reveal more content)

## Column Types
- [x] Add tooltips and better descriptions for column options (explain types, PK behavior, nullability)

## Deleting Tables
- [x] Remove deleted tables from UI immediately (ensure UI updates after table deletion)

### Which customers would this be available to

Enterprise Tier Only (EE)

### Have you provided an initial effort estimate for this issue?

I have provided an initial effort estimate