improve the basis name validator - ':' is an illegal character in a basis name.

apps/vault/locales/i18n.json

@@ -198,10 +198,10 @@
         "en-tts": "Symbols"
     },
     "vault.illegal_char": {
-        "en": "Entries may not contain a newline character.",
-        "ja": "エントリに改行文字を含めることはできません。",
-        "zh": "条目可能不包含换行符。",
-        "en-tts": "Entries may not contain a newline character."
+        "en": "Entries may not contain ':', or a newline character.",
+        "ja": "エントリに「：」または改行文字を含めることはできません。",
+        "zh": "条目不得包含 ':' 或换行符。",
+        "en-tts": "Entries may not contain ':', or a newline character."
     },
     "vault.illegal_number": {
         "en": "Please enter a number from 1-128",

apps/vault/src/actions.rs

@@ -1293,7 +1293,7 @@ pub(crate) fn totp_ss_validator(input: TextEntryPayload) -> Option<xous_ipc::Str
 }
 pub(crate) fn name_validator(input: TextEntryPayload) -> Option<xous_ipc::String<256>> {
     let proposed_name = input.as_str();
-    if proposed_name.contains('\n') { // the '\n' is reserved as the delimiter to end the name field
+    if proposed_name.contains(['\n',':']) { // the '\n' is reserved as the delimiter to end the name field, and ':' is the path separator
         Some(xous_ipc::String::<256>::from_str(t!("vault.illegal_char", xous::LANG)))
     } else {
         None