Fix broken string freeze with plugin browser menu item

This is getting annoying.

Contributes to issue CURA-4341.

resources/i18n/cura.pot

@@ -63,6 +63,11 @@ msgctxt "@info:status"
 msgid "Print finished"
 msgstr ""
 
+#: Manually added for resources/Cura/Cura.qml
+msgctxt "@title:menu menubar:toplevel"
+msgid "P&lugins"
+msgstr ""
+
 #: /home/ruben/Projects/Cura/plugins/MachineSettingsAction/MachineSettingsAction.py:29
 msgctxt "@action"
 msgid "Machine Settings"

resources/i18n/de_DE/cura.po

@@ -61,6 +61,11 @@ msgctxt "@info:status"
 msgid "Print finished"
 msgstr "Druck vollendet"
 
+#: Manually added for resources/Cura/Cura.qml
+msgctxt "@title:menu menubar:toplevel"
+msgid "P&lugins"
+msgstr "&Plugins"
+
 #: /home/ruben/Projects/Cura/plugins/MachineSettingsAction/MachineSettingsAction.py:29
 msgctxt "@action"
 msgid "Machine Settings"

resources/i18n/es_ES/cura.po

@@ -61,6 +61,11 @@ msgctxt "@info:status"
 msgid "Print finished"
 msgstr "Impresión terminada"
 
+#: Manually added for resources/Cura/Cura.qml
+msgctxt "@title:menu menubar:toplevel"
+msgid "P&lugins"
+msgstr "&Complementos"
+
 #: /home/ruben/Projects/Cura/plugins/MachineSettingsAction/MachineSettingsAction.py:29
 msgctxt "@action"
 msgid "Machine Settings"

resources/i18n/fi_FI/cura.po

@@ -61,6 +61,11 @@ msgctxt "@info:status"
 msgid "Print finished"
 msgstr "Tulosta valmis"
 
+#: Manually added for resources/Cura/Cura.qml
+msgctxt "@title:menu menubar:toplevel"
+msgid "P&lugins"
+msgstr "&Lisäosat"
+
 #: /home/ruben/Projects/Cura/plugins/MachineSettingsAction/MachineSettingsAction.py:29
 msgctxt "@action"
 msgid "Machine Settings"

resources/i18n/fr_FR/cura.po

@@ -61,6 +61,11 @@ msgctxt "@info:status"
 msgid "Print finished"
 msgstr "Impression terminée"
 
+#: Manually added for resources/Cura/Cura.qml
+msgctxt "@title:menu menubar:toplevel"
+msgid "P&lugins"
+msgstr "&Plug-ins"
+
 #: /home/ruben/Projects/Cura/plugins/MachineSettingsAction/MachineSettingsAction.py:29
 msgctxt "@action"
 msgid "Machine Settings"

resources/i18n/it_IT/cura.po

@@ -61,6 +61,11 @@ msgctxt "@info:status"
 msgid "Print finished"
 msgstr "Stampa finita"
 
+#: Manually added for resources/Cura/Cura.qml
+msgctxt "@title:menu menubar:toplevel"
+msgid "P&lugins"
+msgstr "&Plugin"
+
 #: /home/ruben/Projects/Cura/plugins/MachineSettingsAction/MachineSettingsAction.py:29
 msgctxt "@action"
 msgid "Machine Settings"

resources/i18n/nl_NL/cura.po

@@ -61,6 +61,11 @@ msgctxt "@info:status"
 msgid "Print finished"
 msgstr "Print klaar"
 
+#: Manually added for resources/Cura/Cura.qml
+msgctxt "@title:menu menubar:toplevel"
+msgid "P&lugins"
+msgstr "&Plugins"
+
 #: /home/ruben/Projects/Cura/plugins/MachineSettingsAction/MachineSettingsAction.py:29
 msgctxt "@action"
 msgid "Machine Settings"

resources/i18n/pl_PL/cura.po

@@ -63,6 +63,11 @@ msgctxt "@info:status"
 msgid "Print finished"
 msgstr "Drukowanie zakończone"
 
+#: Manually added for resources/Cura/Cura.qml
+msgctxt "@title:menu menubar:toplevel"
+msgid "P&lugins"
+msgstr "W&tyczki"
+
 #: /home/ruben/Projects/Cura/plugins/MachineSettingsAction/MachineSettingsAction.py:29
 msgctxt "@action"
 msgid "Machine Settings"

resources/i18n/pt_BR/cura.po

@@ -62,6 +62,11 @@ msgctxt "@info:status"
 msgid "Print finished"
 msgstr "Impressão Concluída"
 
+#: Manually added for resources/Cura/Cura.qml
+msgctxt "@title:menu menubar:toplevel"
+msgid "P&lugins"
+msgstr "&Complementos"
+
 #: /home/ruben/Projects/Cura/plugins/MachineSettingsAction/MachineSettingsAction.py:29
 msgctxt "@action"
 msgid "Machine Settings"

resources/i18n/ru_RU/cura.po

@@ -63,6 +63,11 @@ msgctxt "@info:status"
 msgid "Print finished"
 msgstr "Печать завершена"
 
+#: Manually added for resources/Cura/Cura.qml
+msgctxt "@title:menu menubar:toplevel"
+msgid "P&lugins"
+msgstr "Плагины"
+
 #: /home/ruben/Projects/Cura/plugins/MachineSettingsAction/MachineSettingsAction.py:29
 msgctxt "@action"
 msgid "Machine Settings"