desktop: refine theming, workspaces, and utilities

- switch GTK font to GeistMono Nerd Font Propo 9 and drop GTK4 CSS overrides
- add named Hyprland workspaces/keybinds and Ghostty quick terminal; adjust screenshot binding
- update Waybar workspace icons/sorting; tweak Neovim transparency, Owlry/Qt6CT, and ROCm env
- add curated wallpaper sets for DP-1/DP-2 and new Hyprland toggle/screenshot helper scripts

dot_local/bin/executable_hypr-element-toggle

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+element_ws="name:element"
+element_name="element"
+
+active_name=""
+if json="$(hyprctl -j activeworkspace 2>/dev/null)"; then
+  if command -v jq >/dev/null 2>&1; then
+    active_name="$(printf '%s' "$json" | jq -r '.name // empty')"
+  else
+    active_name="$(printf '%s' "$json" | sed -n 's/.*"name":"\\([^"]*\\)".*/\\1/p')"
+  fi
+fi
+
+if [[ -z "$active_name" ]]; then
+  active_name="$(hyprctl activeworkspace 2>/dev/null | sed -n 's/.*(\\(.*\\)).*/\\1/p' | head -n1)"
+fi
+
+if [[ "$active_name" == "$element_name" || "$active_name" == "$element_ws" ]]; then
+  hyprctl dispatch workspace previous
+else
+  hyprctl dispatch moveworkspacetomonitor "$element_ws" current
+  hyprctl dispatch workspace "$element_ws"
+fi