fix(i18n): update bugs by usecase pie label

Author: cannarocks

src/locales/en/translation.json

@@ -76,7 +76,7 @@
   "__CAMPAIGN_PAGE_WIDGET_BUGS_BY_TYPE_LIST_TITLE": "{{total}} <2>total bugs</2>",
   "__CAMPAIGN_PAGE_WIDGET_BUGS_BY_USECASE": "others",
   "__CAMPAIGN_PAGE_WIDGET_BUGS_BY_USECASE_CARD_TITLE": "Unique bugs by Use Case",
-  "__CAMPAIGN_PAGE_WIDGET_BUGS_BY_USECASE_CHART_HEADER": "Tot. bugs",
+  "__CAMPAIGN_PAGE_WIDGET_BUGS_BY_USECASE_CHART_HEADER": "Unique bugs",
   "__CAMPAIGN_PAGE_WIDGET_BUGS_BY_USECASE_COLUMN_LEFT": "Use Case",
   "__CAMPAIGN_PAGE_WIDGET_BUGS_BY_USECASE_COLUMN_RIGHT": "Bugs / Total",
   "__CAMPAIGN_PAGE_WIDGET_BUGS_BY_USECASE_LIST_CONTENT": "unique bugs",

src/locales/it/translation.json

@@ -76,7 +76,7 @@
   "__CAMPAIGN_PAGE_WIDGET_BUGS_BY_TYPE_LIST_TITLE": "{{total}} <2>bug totali</2>",
   "__CAMPAIGN_PAGE_WIDGET_BUGS_BY_USECASE": "altri",
   "__CAMPAIGN_PAGE_WIDGET_BUGS_BY_USECASE_CARD_TITLE": "Bug unici per Use Case",
-  "__CAMPAIGN_PAGE_WIDGET_BUGS_BY_USECASE_CHART_HEADER": "Tot. bug",
+  "__CAMPAIGN_PAGE_WIDGET_BUGS_BY_USECASE_CHART_HEADER": "Bug unici",
   "__CAMPAIGN_PAGE_WIDGET_BUGS_BY_USECASE_COLUMN_LEFT": "Use Case",
   "__CAMPAIGN_PAGE_WIDGET_BUGS_BY_USECASE_COLUMN_RIGHT": "Bug / Totale",
   "__CAMPAIGN_PAGE_WIDGET_BUGS_BY_USECASE_LIST_CONTENT": "bug unici",