Set only UM variants name as being translated

CURA-12255
Also applied some consistency between labels, so that they are more consistent and more printers get their variants name translated.

resources/definitions/fdmprinter.def.json

@@ -17,7 +17,8 @@
         "machine_extruder_trains": { "0": "fdmextruder" },
         "supports_usb_connection": true,
         "supports_network_connection": false,
-        "supports_abstract_color": false
+        "supports_abstract_color": false,
+        "variants_name_has_translation": false
     },
     "settings":
     {

resources/definitions/inat_base.def.json

@@ -16,7 +16,8 @@
         "preferred_material": "generic_pla",
         "preferred_quality_type": "standard",
         "preferred_variant_name": "0.4mm",
-        "variants_name": "Extruder:"
+        "variants_name": "Extruder",
+        "variants_name_has_translation": true
     },
     "overrides":
     {

resources/definitions/structur3d_discov3ry1_complete_um2plus.def.json

@@ -25,7 +25,7 @@
         "preferred_quality_type": "extra_fast",
         "preferred_variant_name": "0.84mm (Green)",
         "supported_actions": [],
-        "variants_name": "Print core"
+        "variants_name": "Print Core"
     },
     "overrides":
     {

resources/definitions/ultimaker3.def.json

@@ -51,7 +51,8 @@
         "supported_actions": [ "DiscoverUM3Action" ],
         "supports_network_connection": true,
         "supports_usb_connection": false,
-        "variants_name": "Print core"
+        "variants_name": "Print Core",
+        "variants_name_has_translation": true
     },
     "overrides":
     {

resources/definitions/ultimaker3_extended.def.json

@@ -36,7 +36,8 @@
         "preferred_variant_name": "AA 0.4",
         "quality_definition": "ultimaker3",
         "supported_actions": [ "DiscoverUM3Action" ],
-        "variants_name": "Print core"
+        "variants_name": "Print Core",
+        "variants_name_has_translation": true
     },
     "overrides":
     {

resources/definitions/ultimaker_factor4.def.json

@@ -43,7 +43,8 @@
         "supports_material_export": true,
         "supports_network_connection": true,
         "supports_usb_connection": false,
-        "variants_name": "Print core",
+        "variants_name": "Print Core",
+        "variants_name_has_translation": true,
         "weight": -1
     },
     "overrides":

resources/definitions/ultimaker_method.def.json

@@ -83,6 +83,7 @@
         "supports_usb_connection": false,
         "variant_definition": "ultimaker_method",
         "variants_name": "Extruder",
+        "variants_name_has_translation": true,
         "weight": -1
     },
     "overrides":

resources/definitions/ultimaker_method_base.def.json

@@ -26,6 +26,7 @@
         "supports_network_connection": true,
         "supports_usb_connection": false,
         "variants_name": "Extruder",
+        "variants_name_has_translation": true,
         "weight": -1
     },
     "overrides":

resources/definitions/ultimaker_methodx.def.json

@@ -69,6 +69,7 @@
         "supports_usb_connection": false,
         "variant_definition": "ultimaker_methodx",
         "variants_name": "Extruder",
+        "variants_name_has_translation": true,
         "weight": -1
     },
     "overrides":

resources/definitions/ultimaker_methodxl.def.json

@@ -67,6 +67,7 @@
         "supports_network_connection": true,
         "supports_usb_connection": false,
         "variants_name": "Extruder",
+        "variants_name_has_translation": true,
         "weight": -1
     },
     "overrides":