Feature Request: Implement Sorting by 'Hat' or Duplicant Type in the Skills Menu

[Kizrak]

Summary
Add functional sorting capabilities to the "Hat" column in the Duplicants Skills menu to help organize dupes by their headwear (or lack thereof), or alternatively, add a new sort option based on Duplicant physical types (e.g., normal, bionic).

Goal
The goal is to allow players to quickly and easily group specific categories of Duplicants within the skills screen, improving management of complex colonies where different dupes have different roles or physical characteristics.

Use Cases & Benefits
1. Identifying Bionic Duplicants / Dupes without Hats

• Current Workaround: I currently use the absence of a hat as a visual indicator for "special" Duplicants, such as those with bionic implants.
• Benefit of Sorting: Sorting would immediately group all hatless dupes together, streamlining the process of locating these specific characters for job assignments or status checks, removing the need for manual visual scanning.

2. Managing Role Assignments (General Hat Use Cases)

• Different hats often correlate with different job roles (e.g., hard hats for builders, chef hats for cooks).
• Sorting by hats would allow a player to quickly review all Duplicants currently assigned to a specific job category, making it easier to manage training paths or reassignments within that group.

3. Colony Aesthetics and Organization

• Some players use hats purely for aesthetic organization. Sorting by the hat would help maintain visual consistency across groups.

Suggested Implementation
Two options are suggested to achieve this goal:

1. Implement 'Hat' Column Sorting: Make the existing "Hat" column header clickable and sortable. This would group identical hats together. Crucially, hat-less entries should consistently sort to either the very top or the very bottom of the list (ascend/descend toggles), rather than being sorted alphabetically by some underlying image asset name that might place them arbitrarily in the middle of other hat types.
2. Add a 'Duplicant Type' Sort: Introduce a new sort criterion (possibly a hidden column or a filter dropdown) that sorts by intrinsic Duplicant types, providing a dedicated solution for identifying specific builds like bionic dupes.