Fix dynamic theming: enable filesystem writes and add theme switching

- Add LD_LIBRARY_PATH and ILLOGICAL_IMPULSE_VIRTUAL_ENV to quickshell service
- Set ProtectSystem=false to allow color generation scripts to write files
- Fix MaterialThemeLoader to properly detect file changes with onFileChanged
- Add switchwall-wrapper.sh to source environment variables dynamically
- Fix light/dark mode buttons to use Process with current wallpaper
- Add --choose flag to switchwall.sh for wallpaper selection dialog
- Add IPC commands 'dark' and 'light' for console theme switching
- Update keybinds: Ctrl+Super+T (choose), Ctrl+Super+Shift+T (random)
- Fix terminal color application in applycolor.sh

configs/quickshell/ii/modules/common/widgets/LightDarkPreferenceButton.qml

@@ -17,7 +17,7 @@ GroupButton {
     colBackground: Appearance.colors.colLayer2
     toggled: Appearance.m3colors.darkmode === dark
     onClicked: {
-        Quickshell.execDetached(["bash", "-c", `${Directories.wallpaperSwitchScriptPath} --mode ${dark ? "dark" : "light"} --noswitch`])
+        Quickshell.execDetached(["bash", `${Directories.scriptPath}/colors/switchwall-wrapper.sh`, "--mode", dark ? "dark" : "light", "--noswitch"])
     }
     contentItem: Item {
         anchors.centerIn: parent