Expand list of forbidden Unicode characters in NewsAPI and refine warning rendering logic in NinaWarnings widget

apis/newsapi/main.go

@@ -11,7 +11,16 @@ import (
 
 const apiBaseURL = "https://newsapi.org/v2/top-headlines"
 
-var forbiddenStrings = []string{"\r", "\\r", "\ufeff", "\u00A0"}
+var forbiddenStrings = []string{
+	"\r", "\\r", "\ufeff", "\u00A0", "\u200b", "\u200c",
+	"\u200d", // Zero Width Joiner
+	"\u200e", // Left-to-Right Mark
+	"\u200f", // Right-to-Left Mark
+	"\u2060", // Word Joiner
+	"\ufe0f", // Variation Selector-16
+	"\u2028",
+	"\u2029",
+}
 
 type configFile struct {
 	News newsConfig