Freqman memory fix (#1177)

* Cleanings and setting the limit to a working for all apps one
* fixing a guru memory errors, renaming a leftover variable
* removed unneeded set_dirty

firmware/application/apps/ui_freqman.hpp

@@ -64,7 +64,7 @@ class FreqManBaseView : public View {
         14,
         {}};
 
-    FreqManUIList menu_view{
+    FreqManUIList freqlist_view{
         {0, 3 * 8, 240, 23 * 8}};
 
     Text text_empty{
@@ -116,6 +116,7 @@ class FrequencyLoadView : public FreqManBaseView {
     std::function<void(rf::Frequency, rf::Frequency)> on_range_loaded{};
 
     FrequencyLoadView(NavigationView& nav);
+    ~FrequencyLoadView();
 
     std::string title() const override { return "Load freq."; };