fix: linux launcher breaks when there are spaces in the directory path (#4795)

* fix: linux launcher breaks when there are spaces in the directory path

* Add quotes around $0 as well

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Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

distribution/linux/Ryujinx.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-SCRIPT_DIR=$(dirname $(realpath $0))
+SCRIPT_DIR=$(dirname "$(realpath "$0")")
 RYUJINX_BIN="Ryujinx"
 
 if [ -f "$SCRIPT_DIR/Ryujinx.Ava" ]; then