i18n: add missing translation keys

lib/calendar-ics-export.ts

@@ -13,7 +13,7 @@ function foldLine(line: string): string {
   return chunks.join("\r\n");
 }
 
-// RFC 5545 §3.3.11 — escape backslash, semicolon, comma, and newline in TEXT values.
+// RFC 5545 §3.3.11 - escape backslash, semicolon, comma, and newline in TEXT values.
 function escapeText(value: string): string {
   return value
     .replace(/\\/g, "\\\\")

lib/sieve/parser.ts

@@ -508,7 +508,7 @@ function escapeRegex(s: string): string {
 /**
  * Nextcloud Mail wraps its managed filter region with a pair of
  * `### Nextcloud Mail: Filters ### DON'T EDIT ###` markers and typically
- * emits two such regions — one enclosing its own `require [...]` line and
+ * emits two such regions - one enclosing its own `require [...]` line and
  * another enclosing the if-blocks it generates from its `# FILTER: [...]`
  * JSON comments. Parsing the interior blocks individually loses the outer
  * markers (causing later rules to fall back to "External") and mis-attaches