фикс косячных строк в json, фича: SNR в вебке

src/terminal_api_driver.cpp

@@ -668,7 +668,10 @@ std::string api_driver::buildEscapedString(const std::string& source) {
         str.replace(start_pos, 1, "\\\"");
         start_pos += 2;
     }
-    return "\"" + str + "\"";
+    for (start_pos = 0; start_pos < str.size() && (str[start_pos] == ' ' || str[start_pos] == '\n' || str[start_pos] == '\t'); start_pos++) {}
+    size_t end_pos = str.size() - 1;
+    for (; end_pos > start_pos && end_pos != 0 && (str[end_pos] == ' ' || str[end_pos] == '\n' || str[end_pos] == '\t'); end_pos--) {}
+    return "\"" + str.substr(start_pos, end_pos - start_pos + 1) + "\"";
 }
 
 static void writeDouble(std::ostream& out, double value, int prec = 2) {