Add the --unsafe-testing command-line option to the CLI. Without this option,

features of the CLI that are intended for testing and that might result in
incorrect answers, assertion faults, and/or corrupt database files if misused
are disabled.

FossilOrigin-Name: f28256a96af4263c0caded79b7481b88e9c7e7f1af7dbb3fd5e22ff07fbedaf3

diff --cc manifest
index eb3909da76d50f7f9daaf1a34080e006439c05bf,b7d8dc7b85d5b87b5d70c999deeae8c71a59af8d..ecf6a80634d005375af1802a0c58b895c0641e72
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Fix\san\sincorrect\sassert()\sstatement\sin\sbtree.c\sas\sfound\sby\n[forum:/info/d03345d572713fe6|forum\spost\sd03345d572713fe6].
- D 2023-04-22T12:47:16.752
 -C Add\s--unsafe-testing\sinvocation\soption\sto\sCLI.\sNeeds\ssome\stests\sadded\sand\schanged.
 -D 2023-04-22T16:46:38.465
++C Add\sthe\s--unsafe-testing\scommand-line\soption\sto\sthe\sCLI.\s\sWithout\sthis\soption,\nfeatures\sof\sthe\sCLI\sthat\sare\sintended\sfor\stesting\sand\sthat\smight\sresult\sin\nincorrect\sanswers,\sassertion\sfaults,\sand/or\scorrupt\sdatabase\sfiles\sif\smisused\nare\sdisabled.
++D 2023-04-22T17:41:53.196
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -2059,8 -2059,11 +2059,9 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P 53a61f7423a7f057568a1d8a1e63be01a2328997850dc32e3d8c6d51f1c5ab0b
- R 5677d2da177f240210053dffbed7c16a
 -P cd485b302c54aef066d751a153df34eea0cd23e54a414e291f636ad9929fe78a
++P cd485b302c54aef066d751a153df34eea0cd23e54a414e291f636ad9929fe78a b3d9ac052d5c2dd1afeeeb5c9cfac9dd91a1b8d6a74a2ef10aa2037ca505abce
+ R be58d94e52d56c14dee82adb68874a9b
 -T *branch * shell-for-test
 -T *sym-shell-for-test *
 -T -sym-trunk *
 -U larrybr
 -Z a5e6fd5b494a63d53c430515997654b1
++T +closed b3d9ac052d5c2dd1afeeeb5c9cfac9dd91a1b8d6a74a2ef10aa2037ca505abce
 +U drh
- Z c7873e11c59de450a8f61d4742b32434
++Z 292d5d1b263a4abd453b30cd2562934c
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index 11423ccd2a7fc24d1918cc7746814a4ff28944ec,333cac216cda022a4d334910c6425c904a2f2d7e..73fbbb4613b63047b1c94b5780c0fc8df8d7df0c
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- cd485b302c54aef066d751a153df34eea0cd23e54a414e291f636ad9929fe78a
 -b3d9ac052d5c2dd1afeeeb5c9cfac9dd91a1b8d6a74a2ef10aa2037ca505abce
++f28256a96af4263c0caded79b7481b88e9c7e7f1af7dbb3fd5e22ff07fbedaf3