More bug fixes

- BPM and go go time change even when there are no notes after the change, seen in Ego Ego Atakushi and UFO Swingin'
- Maker URL can be added to a local tja
  - Example: `MAKER: Creator name <https://example.com/path>`
- Long list of settings scrolls more naturally with arrow keys
- When media engagement is low, gamepad users will not be able to proceed on the title screen until a mouse click or a key press unpauses the audio context
- Fix "Bad" note gauge judgement on easy difficulty
- In debug, use hash to tell apart songs

public/src/js/settings.js

@@ -544,7 +544,7 @@ class SettingsView{
 				}while(this.items[this.selected].id === "default" && name !== "left")
 				selected = this.items[this.selected]
 				selected.settingBox.classList.add("selected")
-				selected.settingBox.scrollIntoView()
+				this.scrollTo(selected.settingBox)
 				this.playSound("se_ka")
 			}else if(name === "back"){
 				this.onEnd()
@@ -606,6 +606,21 @@ class SettingsView{
 			}
 		}
 	}
+	scrollTo(element){
+		var parentNode = element.parentNode
+		var selected = element.getBoundingClientRect()
+		var parent = parentNode.getBoundingClientRect()
+		var scrollY = parentNode.scrollTop
+		var selectedPosTop = selected.top - selected.height / 2
+		if(Math.floor(selectedPosTop) < Math.floor(parent.top)){
+			parentNode.scrollTop += selectedPosTop - parent.top
+		}else{
+			var selectedPosBottom = selected.top + selected.height * 1.5 - parent.top
+			if(Math.floor(selectedPosBottom) > Math.floor(parent.height)){
+				parentNode.scrollTop += selectedPosBottom - parent.height
+			}
+		}
+	}
 	keyboardSet(){
 		var selected = this.items[this.selected]
 		var current = settings.items[selected.id]