Fix Long-press cherry-pick from https://github.com/prusa3d/Prusa-Firmware/pull/3737

Fix eeprom documentation
Update pot and po files as pre-release task
Bump up to FW 3.12.0-RC1 and build number +2 (+1 commit + 1 merge)

Firmware/Configuration.h

@@ -19,7 +19,7 @@ extern PGM_P sPrinterName;
 #define FW_MAJOR 3
 #define FW_MINOR 12
 #define FW_REVISION 0
-#define FW_FLAVOR BETA      //uncomment if DEBUG, DEVEL, ALPHA, BETA or RC
+#define FW_FLAVOR RC      //uncomment if DEBUG, DEVEL, ALPHA, BETA or RC
 #define FW_FLAVERSION 1     //uncomment if FW_FLAVOR is defined and versioning is needed.
 #ifndef FW_FLAVOR
     #define FW_VERSION STR(FW_MAJOR) "." STR(FW_MINOR) "." STR(FW_REVISION)
@@ -27,7 +27,7 @@ extern PGM_P sPrinterName;
     #define FW_VERSION STR(FW_MAJOR) "." STR(FW_MINOR) "." STR(FW_REVISION) "-" STR(FW_FLAVOR) "" STR(FW_FLAVERSION)
 #endif
 
-#define FW_COMMIT_NR 5536
+#define FW_COMMIT_NR 5572
 
 // FW_VERSION_UNKNOWN means this is an unofficial build.
 // The firmware should only be checked into github with this symbol.

Firmware/eeprom.h

@@ -341,8 +341,6 @@ static_assert(sizeof(Sheets) == EEPROM_SHEETS_SIZEOF, "Sizeof(Sheets) is not EEP
 | 0x0CB6 3254 | float   | EEPROM_TEMP_MODEL_Ta_corr             | ???          | ff ff ff ffh          | Temp model ambient temperature correction (K)     | Temp model   | D3 Ax0cb6 C4
 | 0x0CB2 3250 | float   | EEPROM_TEMP_MODEL_W                   | ???          | ff ff ff ffh          | Temp model warning threshold (K/s)                | Temp model   | D3 Ax0cb2 C4
 | 0x0CAE 3246 | float   | EEPROM_TEMP_MODEL_E                   | ???          | ff ff ff ffh          | Temp model error threshold (K/s)                  | Temp model   | D3 Ax0cae C4
-| 0x0CAD 3245 | uint8   | EEPROM_FSENSOR_JAM_DETECTION          | 01h 1        | ff/01                 | fsensor pat9125 jam detection feature             | LCD menu     | D3 Ax0cad C1
-| 0x0CAC 3244 | uint8   | EEPROM_MMU_ENABLED                    | 01h 1        | ff/01                 | MMU enabled                                       | LCD menu     | D3 Ax0cac C1
 
 |Address begin|Bit/Type | Name                                  | Valid values | Default/FactoryReset  | Description                                       |Gcode/Function| Debug code
 | :--:        | :--:    | :--:                                  | :--:         | :--:                  | :--:                                              | :--:         | :--:

Firmware/ultralcd.cpp

@@ -3321,7 +3321,7 @@ void lcd_bed_calibration_show_result(BedSkewOffsetDetectionResultType result, ui
             msg = _i("XYZ calibration failed. Right front calibration point not reachable.");////MSG_BED_SKEW_OFFSET_DETECTION_FAILED_FRONT_RIGHT_FAR c=20 r=6
         else
             // The left and maybe the center point out of reach.
-            msg = _i("XYZ calibration failed. Left front calibration point not reachable.");////MSG_BED_SKEW_OFFSET_DETECTION_FAILED_FRONT_LEFT_FAR c=20 r=8
+            msg = _n("XYZ calibration failed. Left front calibration point not reachable.");////MSG_BED_SKEW_OFFSET_DETECTION_FAILED_FRONT_LEFT_FAR c=20 r=8
         lcd_show_fullscreen_message_and_wait_P(msg);
     } else {
         if (point_too_far_mask != 0) {
@@ -3333,7 +3333,7 @@ void lcd_bed_calibration_show_result(BedSkewOffsetDetectionResultType result, ui
                 msg = _i("XYZ calibration compromised. Right front calibration point not reachable.");////MSG_BED_SKEW_OFFSET_DETECTION_WARNING_FRONT_RIGHT_FAR c=20 r=8
             else
                 // The left and maybe the center point out of reach.
-                msg = _i("XYZ calibration compromised. Left front calibration point not reachable.");////MSG_BED_SKEW_OFFSET_DETECTION_WARNING_FRONT_LEFT_FAR c=20 r=8
+                msg = _n("XYZ calibration compromised. Left front calibration point not reachable.");////MSG_BED_SKEW_OFFSET_DETECTION_WARNING_FRONT_LEFT_FAR c=20 r=8
             lcd_show_fullscreen_message_and_wait_P(msg);
         }
         if (point_too_far_mask == 0 || result > 0) {