freqman: limiting description size to 30, and minor fix (#1977)

* Limiting description size to 30 as it was documented before

* cosmetic adjustement

---------

Co-authored-by: GullCode <gullradriel@hotmail.com>

firmware/application/apps/ui_freqman.cpp

@@ -228,7 +228,7 @@ void FrequencyManagerView::on_edit_freq() {
 
 void FrequencyManagerView::on_edit_desc() {
     temp_buffer_ = current_entry().description;
-    text_prompt(nav_, temp_buffer_, desc_edit_max, [this](std::string& new_desc) {
+    text_prompt(nav_, temp_buffer_, freqman_max_desc_size, [this](std::string& new_desc) {
         auto entry = current_entry();
         entry.description = std::move(new_desc);
         db_.replace_entry(current_index(), entry);

firmware/application/apps/ui_freqman.hpp

@@ -40,8 +40,6 @@ class FreqManBaseView : public View {
 
     void focus() override;
 
-    static constexpr size_t desc_edit_max = 0x80;
-
    protected:
     using options_t = OptionsField::options_t;
 
@@ -63,11 +61,11 @@ class FreqManBaseView : public View {
 
     /* The top section (category) is 20px tall. */
     Labels label_category{
-        {{0, 2}, "Category:", Color::light_grey()}};
+        {{0, 2}, "F:", Color::light_grey()}};
 
     OptionsField options_category{
-        {9 * 8, 2},
-        14 /* length */,
+        {3 * 8, 2},
+        20 /* length */,
         {}};
 
     FreqManUIList freqlist_view{