fix(color): Limit label lengths, improve lbl display, prevent inv. char (#2287)

* (cpn) Add bullets & length warning

* (fw) Show labels with bullet separators

* (fw) Check all running twice. Remove from here

* (fw) Correct buffer overflow when labels too long

* (fw) Rem bullets in model label string

* (fw, cpn) Labels length

cpn,fw Limit label length
cpn Check correct model on rename length
cpn Focus issues
cpn Add rename,  move up/down.. still has an issue with selection. TODO...
cpn Switch to utf8 encoding
cpn Rename button ;)

* (cpn) Move up down working

re-Fix Checkbox, partially isn't what I thought (not greyed)

* (fw) Add CSV string funcs

Limit length of model edit shorter in portrait mode

* (cpn) Correct Label option showing on B&W

* (fw) Radio filename set but no file exists don't create

* (cpn) Simplify wording

* (fw) Correct debug values

* (fw) Reduce truncation length

* (both) Don't allow special chars in label name

(cpn) Prevent move when at top and bottom
(fw) Remove multiple label length defines
(fw) Shorten truncate length even more

* (fw) Close model_select on new model

radio/src/dataconstants.h

@@ -38,7 +38,7 @@
 #endif
 
 #define LABELS_LENGTH 100 // Maximum length of the label string
-#define LABEL_LENGTH 20   // Maximum length of a single label
+#define LABEL_LENGTH 16
 
 #if defined(PCBHORUS) || defined(PCBNV14)
   #define MAX_MODELS                   60