GameScope: Use -wA1 in getGameScopeArg to avoid overlap when switch…

…es and flags start with the same letter (#1027)

steamtinkerlaunch

@@ -6,7 +6,7 @@
 PREFIX="/usr"
 PROGNAME="SteamTinkerLaunch"
 NICEPROGNAME="Steam Tinker Launch"
-PROGVERS="v14.0.20240119-1"
+PROGVERS="v14.0.20240127-1"
 PROGCMD="${0##*/}"
 PROGINTERNALPROTNAME="Proton-stl"
 SHOSTL="stl"
@@ -11054,10 +11054,10 @@ function setGameScopeVars {
 			if grep -qw "$FLAG" <<< "$ARGS"; then
 				if [[ $ARGTYPE =~ "cb" ]] || [[ $ARGTYPE =~ "num" ]]; then
 					# Get the value given to the argument as the enabled/selected value, e.g. get '2' from '-U 2' if we passed '-U'
-					tr ' ' '\n' <<< "$ARGS" | grep -A1 "$FLAG" | tail -n1
+					tr ' ' '\n' <<< "$ARGS" | grep -wA1 "$FLAG" | tail -n1
 				elif [[ $ARGTYPE =~ "path" ]] || [[ $ARGTYPE =~ "txt" ]]; then
 					# Get value given to arguments with two dashes, like `--`
-					echo "$ARGS" | sed 's:--:\n--:g' | grep -A1 "$FLAG" | sed "s:${UNESCAPED_FLAG}::g;s:-:\n-:g" | head -n1 | xargs
+					echo "$ARGS" | sed 's:--:\n--:g' | grep -wA1 "$FLAG" | sed "s:${UNESCAPED_FLAG}::g;s:-:\n-:g" | head -n1 | xargs
 				else
 					echo "$TRUEVAL"
 				fi