feat: Improve defaults, range and wording of SD Log SF (#3058)

* fixes https://github.com/EdgeTX/edgetx/issues/2965

Changes:
- the log period range is now 0.1s to 25.5s
- upon creation of a new SD Logs SF the period is initialized to 1.0s
- text "Value" is changed to "Period" to indicate parameter represents the log period

ToDo:
- translations for "Period" if desired

rebase due to #2992

* changed Period to Interval

Added translations for DA, DE, EN, IT, PL

* added defaults for TR_INTERVAL to language files

* fixed problem with too many leading zeros for intervals less than 1s.

before: 00.5s
after: 0.5s

* added CZ translations for TR_PERIOD and TR_INTERVAL

changed EN TR_FUNC from "Func" to "Function"

* updated TR_FUNC for CZ, DA, IT, JP, PL

updated TR_PERIOD and TR_INTERVAL for JP

* added TR_PERIOD,  TR_INTERVAL, TR_FUNC for SE

* implemented TR_SF_SWITCH and logic to change between TR_SWITCH and TR_SF_SWITCH

* 212x64 radios: single source for #define TR_LSW_HEADERS in language files

deleted redundant defines

* changed 128x64 and 212x64 SF SD Logs to same logic as colorlcd with

- minimum log interval 0.1s
- maximum log interval 25.5s
- default log interval 1.0s

TX12_Sim and X9D_Sim tested ok

* migrated functional changes due to PR #2992

* missed updating TW language file

* fix: Always `STR_SF_SWITCH` regardless of SF

Co-authored-by: Peter Feerick <peter.feerick@gmail.com>

radio/src/gui/128x64/model_special_functions.cpp

@@ -32,6 +32,10 @@
 #endif
 
 #if defined(SDCARD)
+#define SD_LOGS_PERIOD_MIN      1     // 0.1s  fastest period 
+#define SD_LOGS_PERIOD_MAX      255   // 25.5s slowest period 
+#define SD_LOGS_PERIOD_DEFAULT  10    // 1s    default period for newly created SF 
+
 void onCustomFunctionsFileSelectionMenu(const char * result)
 {
   int  sub = menuVerticalPosition - HEADER_LINE;
@@ -352,13 +356,15 @@ void menuSpecialFunctions(event_t event, CustomFunctionData * functions, CustomF
           }
 #if defined(SDCARD)
           else if (func == FUNC_LOGS) {
-            if (val_displayed) {
-              lcdDrawNumber(MODEL_SPECIAL_FUNC_3RD_COLUMN, y, val_displayed, attr|PREC1|LEFT);
-              lcdDrawChar(lcdLastRightPos, y, 's');
-            }
-            else {
-              lcdDrawMMM(MODEL_SPECIAL_FUNC_3RD_COLUMN, y, attr);
+            val_min = SD_LOGS_PERIOD_MIN; 
+            val_max = SD_LOGS_PERIOD_MAX;
+
+            if (!val_displayed) {
+              val_displayed = CFN_PARAM(cfn) = SD_LOGS_PERIOD_DEFAULT;
             }
+
+            lcdDrawNumber(MODEL_SPECIAL_FUNC_3RD_COLUMN, y, val_displayed, attr|PREC1|LEFT);
+            lcdDrawChar(lcdLastRightPos, y, 's');
           }
 #endif
 #if defined(GVARS)