Various Fixes and Improvements (#3059)

* FuriHal: lower MGG display contrast by 4 points
* FuriHal: unify external gpio resources initialization
* Infrared: parse raw in universal TV file, cleanup it with new ifrared script. Other minor changes.
* Gui: fix elements_multiline_text_aligned eating symbols
* Lib: human readable errors in flipper application package
* Special request from marketing team

scripts/flipper/utils/fff.py

@@ -67,7 +67,10 @@ class FlipperFormatFile:
         self.writeLine("")
 
     def writeComment(self, text: str):
-        self.writeLine(f"# {text}")
+        if text:
+            self.writeLine(f"# {text}")
+        else:
+            self.writeLine("#")
 
     def getHeader(self):
         if self.cursor != 0 and len(self.lines) == 0: