docs(man): document options implemented but missing from man pages

Sync man pages with the code for options that were read but undocumented:
- sway/workspaces: ignore-workspaces
- niri/workspaces: sort-by-number, hide-empty
- wayfire/workspaces: disable-scroll, enable-bar-scroll
- river/tags: set-tags, toggle-tags
- hyprland/workspaces: persistent-workspaces (formalized)
- hyprland/window: fallback, tooltip-format
- cpu: format-<state>, tooltip-format, tooltip-format-<state>
- pulseaudio/slider: ignored-sinks
- hyprland/niri/mango language: format-<lang>-<variant> (+ hyprland tooltip variant)

man/waybar-hyprland-window.5.scd

@@ -25,6 +25,15 @@ Addressed by *hyprland/window*
 	typeof: bool ++
 	Show the active window of the monitor the bar belongs to, instead of the focused window.
 
+*fallback*: ++
+	typeof: string ++
+	Text to display when the focused window title is empty (for example when no window is focused).
+
+*tooltip-format*: ++
+	typeof: string ++
+	default: {title} ++
+	The format of the tooltip shown on hover. Supports the same replacements as *format*. Requires *tooltip* to be enabled.
+
 *icon*: ++
 	typeof: bool ++
 	default: false ++