Improve the stty --all output to match GNU version

[3v1n0]

The output of stty --all was not really matching GNU one, adjust it to follow the same logic

Before:

--- /tmp/gnu-stty	2025-11-21 01:41:14.909020716 +0100
+++ /tmp/rust-stty	2025-11-21 00:38:42.324215733 +0100
@@ -1,10 +1,6 @@
-speed 38400 baud; rows 57; columns 112; line = 0;
-intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = <undef>;
-eol2 = <undef>; swtch = <undef>; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R;
-werase = ^W; lnext = ^V; discard = ^O; min = 1; time = 0;
--parenb -parodd -cmspar cs8 -hupcl -cstopb cread -clocal -crtscts
--ignbrk -brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl ixon -ixoff
--iuclc -ixany -imaxbel iutf8
-opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
-isig icanon iexten echo echoe echok -echonl -noflsh -xcase -tostop -echoprt
-echoctl echoke -flusho -extproc
+speed 38400 baud; rows 57; columns 115; line = 0;
+intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = <undef>; eol2 = <undef>; swtch = <undef>; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R; werase = ^W; lnext = ^V; discard = ^O; min = 1; time = 0;
+-parenb -parodd -cmspar cs8 -hupcl -cstopb cread -clocal -crtscts 
+-ignbrk -brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl -ixoff -tandem ixon -ixany -imaxbel iutf8 
+opost -olcuc -ocrnl onlcr -onocr -onlret -ofdel nl0 cr0 tab0 bs0 vt0 ff0 
+isig icanon iexten echo echoe echok -echonl -noflsh -tostop -echoprt echoctl echoke -flusho -extpro```

After:

--- /tmp/gnu-stty	2025-11-21 01:41:14.909020716 +0100
+++ /tmp/rust-stty	2025-11-21 04:31:16.511313289 +0100
@@ -4,7 +4,7 @@
 werase = ^W; lnext = ^V; discard = ^O; min = 1; time = 0;
 -parenb -parodd -cmspar cs8 -hupcl -cstopb cread -clocal -crtscts
 -ignbrk -brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl ixon -ixoff
--iuclc -ixany -imaxbel iutf8
-opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
-isig icanon iexten echo echoe echok -echonl -noflsh -xcase -tostop -echoprt
-echoctl echoke -flusho -extproc
+-ixany -imaxbel iutf8
+opost -olcuc -ocrnl onlcr -onocr -onlret -ofdel nl0 cr0 tab0 bs0 vt0 ff0
+isig icanon iexten echo echoe echok -echonl -noflsh -tostop -echoprt echoctl
+echoke -flusho -extproc

Highlight is not great for word diffing, but well:

❯ wdiff /tmp/stty-out /tmp/rstty-out 
speed 38400 baud; rows 57; columns 112; line = 0;
intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = <undef>;
eol2 = <undef>; swtch = <undef>; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R;
werase = ^W; lnext = ^V; discard = ^O; min = 1; time = 0;
-parenb -parodd -cmspar cs8 -hupcl -cstopb cread -clocal -crtscts
-ignbrk -brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl ixon -ixoff
[--iuclc-]
-ixany -imaxbel iutf8
opost -olcuc -ocrnl onlcr -onocr -onlret [--ofill-] -ofdel nl0 cr0 tab0 bs0 vt0 ff0
isig icanon iexten echo echoe echok -echonl -noflsh [--xcase-] -tostop -echoprt echoctl
echoke -flusho -extpro

[github-actions]

GNU testsuite comparison:

GNU test failed: tests/cksum/cksum-base64-untagged. tests/cksum/cksum-base64-untagged is passing on 'main'. Maybe you have to rebase?
Skipping an intermittent issue tests/tail/overlay-headers (passes in this run but fails in the 'main' branch)

[github-actions]

GNU testsuite comparison:

Skipping an intermittent issue tests/tail/overlay-headers (passes in this run but fails in the 'main' branch)

[github-actions]

GNU testsuite comparison:

Congrats! The gnu test tests/cksum/cksum-base64-untagged is no longer failing!

[github-actions]

GNU testsuite comparison:

Congrats! The gnu test tests/cksum/cksum-base64-untagged is no longer failing!