launcher: add /d /f file search prefixes. Fix prefix not always

triggering

quickshell/Common/SessionData.qml

@@ -187,6 +187,7 @@ Singleton {
     property string timeLocale: ""
 
     property string launcherLastMode: "all"
+    property string launcherLastFileSearchType: "all"
     property string launcherLastQuery: ""
     property var launcherQueryHistory: []
     property string appDrawerLastMode: "apps"
@@ -1178,6 +1179,11 @@ Singleton {
         saveSettings();
     }
 
+    function setLauncherLastFileSearchType(type) {
+        launcherLastFileSearchType = type;
+        saveSettings();
+    }
+
     function setLauncherLastQuery(query) {
         launcherLastQuery = query;
         saveSettings();

quickshell/Common/settings/SessionSpec.js

@@ -87,6 +87,7 @@ var SPEC = {
     timeLocale: { def: "" },
 
     launcherLastMode: { def: "all" },
+    launcherLastFileSearchType: { def: "all" },
     launcherLastQuery: { def: "" },
     launcherQueryHistory: { def: [] },
     appDrawerLastMode: { def: "apps" },