[apps/code] Handle too many Script default names used

When adding to many scripts without naming them, one can overflow the
number of default generated script names, in which case we force the
user to enter a name.

apps/code/script.cpp

@@ -18,23 +18,23 @@ static inline void intToText(int i, char * buffer, int bufferSize) {
   buffer[2] = 0;
 }
 
-void Script::DefaultName(char buffer[], size_t bufferSize) {
+bool Script::DefaultName(char buffer[], size_t bufferSize) {
   assert(bufferSize >= k_defaultScriptNameMaxSize);
   static constexpr char defaultScriptName[] = "script";
   static constexpr int defaultScriptNameLength = 6;
   memcpy(buffer, defaultScriptName, bufferSize);
 
-  // We will only name scripts from script1.py to script99.py.
   int currentScriptNumber = 1;
-  while (currentScriptNumber < 100) {
+  while (currentScriptNumber <= k_maxNumberOfDefaultScriptNames) {
     // Change the number in the script name.
     intToText(currentScriptNumber, &buffer[defaultScriptNameLength], bufferSize - defaultScriptNameLength );
     if (ScriptStore::ScriptNameIsFree(buffer)) {
-      return;
+      return true;
     }
     currentScriptNumber++;
   }
-  assert(false);
+  // We did not find a new script name
+  return false;
 }
 
 bool Script::nameCompliant(const char * name) {