i18n: WAY more i18n conversion

Modules/Launcher/Launcher.qml

@@ -245,7 +245,7 @@ NPanel {
         fontWeight: Style.fontWeightSemiBold
 
         text: searchText
-        placeholderText: "Search entries... or use > for commands"
+        placeholderText: I18n.tr("placeholders.search-launcher")
 
         onTextChanged: searchText = text
 

Modules/Launcher/Plugins/ApplicationsPlugin.qml

@@ -7,7 +7,7 @@ import "../../../Helpers/FuzzySort.js" as Fuzzysort
 
 Item {
   property var launcher: null
-  property string name: "Applications"
+  property string name: I18n.tr("plugins.applications")
   property bool handleSearch: true
   property var entries: []
 

Modules/Launcher/Plugins/CalculatorPlugin.qml

@@ -4,7 +4,7 @@ import "../../../Helpers/AdvancedMath.js" as AdvancedMath
 
 Item {
   property var launcher: null
-  property string name: "Calculator"
+  property string name: I18n.tr("plugins.calculator")
 
   function handleCommand(query) {
     // Handle >calc command or direct math expressions after >

Modules/Launcher/Plugins/ClipboardPlugin.qml

@@ -7,7 +7,7 @@ Item {
   id: root
 
   // Plugin metadata
-  property string name: "Clipboard history"
+  property string name: I18n.tr("plugins.clipboard")
   property var launcher: null
 
   // Plugin capabilities