Update Doc Controller Shortcuts

[alexzhaohong]

I was confused on how to "Switch to next profile" for about an hour. I will provide context and solutions below.

1. I downloaded Steam Deck Tools (thank you!)
2. The taskbar icon for Steam Controller was a red icon 360. I did not know this meant an error state.
3. I realized that it was stuck in Desktop profile and I could not switch to X360 or DS4
4. No longer how long I held the 'Two Rectangles' button (⎘), the profile would not switch nor would I hear a beep.
5. After a while, found the tooltip that said "Missing ViGEmBus" and downloaded that. Was now able to switch profiles but only through the right context menu
6. Check shortcut cheatsheet. Continue to hold down Menu ☰ (which I though was Options ⎘)
7. Eventually hit both ☰ + ⎘ which made the beep and profile switch
8. Realize my mistake of confusing Options and Menu

It would be great if "Options" and "Menu" buttons had different names, or a glyph to indicate which top left/right button is being referred to.

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User Experience Solutions

For Steam Controller right context menu:

Make the red icon saying "Missing ViGEmBus" more visible. Right now it is only a tooltip. It could be like the Performance Overlay where it has an context menu option that says "Missing RTSS"

For Markdown file /docs/shortcuts.md

Change "Menu & Option" labels to "Menu & View buttons (also called Start & Select)" as detailed here Steam Deck Controller Guide - A Visual Introduction

View ⎘

Add Unicode ⎘ ⎘ after "View" Also known as select button on retro controllers. Also known as the "view" button on Xbox controllers, the "back" button on 360 controllers, the "minus" button on modern Nintendo controllers, and the "share" button on modern PS controllers, "create" button on Dual Shock 5

Menu ☰

Add Unicode U+2630 ☰ ☰ after "Menu" Also known as start/retro, menu/xbox, forward/360, plus/switch, options/Dual Shock 5