app-module events & callstack config, crash diagnostics (#630)

- Apps can specify task stack depth and preferred memory placement in their manifests.
- App identifiers are validated against length and character requirements.
- Crash diagnostics now show the crash cause, reason, fault address, call stack, and program-counter details, with logs saved for review.
- App closing is more consistent across built-in screens. There's now a dedicated function, and the old _emit() function is made private.
- Crash diagnostics no longer display a QR code without a call stack.
- Improved memory allocation for unrestricted requests.

Tactility/Source/app/crashdiagnostics/QrUrl.cpp

@@ -1,7 +1,6 @@
 #ifdef ESP_PLATFORM
 
 #include <Tactility/app/crashdiagnostics/QrUrl.h>
-#include <Tactility/PanicHandler.h>
 
 #include <sstream>
 #include <vector>
@@ -14,8 +13,7 @@
 
 #include <sdkconfig.h>
 
-std::string getUrlFromCrashData() {
-    auto crash_data = getRtcCrashData();
+std::string getUrlFromCrashData(const CrashData& crash_data) {
     std::vector<uint32_t> stack_buffer(crash_data.callstackLength * 2);
     for (int i = 0; i < crash_data.callstackLength; ++i) {
         const CallstackFrame&frame = crash_data.callstack[i];