feat(hotkeys): ✨ Overhaul hotkeys modal UI (#8682)

* feat(hotkeys): ✨ overhaul hotkeys modal UI

* fix(model manager): 🩹 improved check for hotkey search clear button

* fix(model manager): 🩹 remove unused exports

* feat(starter-models): add Z-Image Turbo starter models

Add Z-Image Turbo and related models to the starter models list:
- Z-Image Turbo (full precision, ~13GB)
- Z-Image Turbo quantized (GGUF Q4_K, ~4GB)
- Z-Image Qwen3 Text Encoder (full precision, ~8GB)
- Z-Image Qwen3 Text Encoder quantized (GGUF Q6_K, ~3.3GB)
- Z-Image ControlNet Union (Canny, HED, Depth, Pose, MLSD, Inpainting)

The quantized Turbo model includes the quantized Qwen3 encoder as a
dependency for automatic installation.

* feat(starter-models): add Z-Image Q8 quant and ControlNet Tile

Add higher quality Q8_0 quantization option for Z-Image Turbo (~6.6GB)
to complement existing Q4_K variant, providing better quality for users
with more VRAM.

Add dedicated Z-Image ControlNet Tile model (~6.7GB) for upscaling and
detail enhancement workflows.

* feat(hotkeys): ✨ overhaul hotkeys modal UI

* feat(hotkeys modal): 💄 shrink add hotkey button

* fix(hotkeys): normalization and detection issues

* style: 🚨 satisfy the linter

* fix(hotkeys modal): 🩹 remove unused exports

---------

Co-authored-by: Alexander Eichhorn <[email protected]>
Co-authored-by: Lincoln Stein <[email protected]>

Author: 3 people

invokeai/frontend/web/public/locales/en.json

@@ -431,8 +431,10 @@
         "editMode": "Edit Mode",
         "viewMode": "View Mode",
         "editHotkey": "Edit Hotkey",
+        "addHotkey": "Add Hotkey",
         "resetToDefault": "Reset to Default",
         "resetAll": "Reset All to Default",
+        "resetAllConfirmation": "Are you sure you want to reset all hotkeys to their default values? This cannot be undone.",
         "enterHotkeys": "Enter hotkey(s), separated by commas",
         "save": "Save",
         "cancel": "Cancel",