Rework the JSON functions so that they use the JSONB format internally.

The original JsonNode parse tree design is removed.  All JSON functions
that accept text JSON also accept JSONB.  New functions generate JSONB.

FossilOrigin-Name: 7f0c79b94e8f55e5013e52ba64ba8b32dad1dc4e2224d2099733cbc561de1810

diff --cc manifest
index e9c843fd003ca41039eb4419dc088440004350e0,42065391012685992e694986e2ee111b13a1a2ad..c0dab2ba231a2447db4dc9e4632aaf409786f9e7
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Remove\sa\sNEVER\sthat\scan\sbe\strue\sif\sa\svirtual\stable\scolumn\sis\sdeclared\sto\shave\na\sDEFAULT.\s\sSee\n[forum:/forumpost/3d4de8917627d058|forum\spost\s3d4de8917627d058].
- D 2023-12-02T12:23:34.118
 -C Use\sextra\sassert()\sstatement\sto\ssilence\sharmless\sstatic\sanalyzer\swarnings.
 -D 2023-12-05T19:24:07.192
++C Rework\sthe\sJSON\sfunctions\sso\sthat\sthey\suse\sthe\sJSONB\sformat\sinternally.\nThe\soriginal\sJsonNode\sparse\stree\sdesign\sis\sremoved.\s\sAll\sJSON\sfunctions\nthat\saccept\stext\sJSON\salso\saccept\sJSONB.\s\sNew\sfunctions\sgenerate\sJSONB.
++D 2023-12-05T19:45:09.048
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -2145,8 -2145,8 +2147,9 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P 883990e7938c1f63906300a6113f0fadce143913b7c384e8aeb5f886f0be7c62
- R 9588fe6fe9170e1bad62d9178cc8ac2d
 -P 59446dc0bd0091572122a3c8b4653d7a2dc867d16c4a5919f79b81bc3a673ce3
 -R 901a6c57f6544c02dc1f928ffbc0f678
++P 8abc2ccaf8106f20243568cd7fa74174386eb85d7ea381201e97e2fd527033e0 174c2b2eef5fecd96a5fc89b81032fe81f7801f12097cea10e7e7f0a02114813
++R 2fc453038906bf8ee420a799d6f3c8a1
++T +closed 174c2b2eef5fecd96a5fc89b81032fe81f7801f12097cea10e7e7f0a02114813
  U drh
- Z fe60aea9a6abab8faa2bce1247eb25bf
 -Z d3a76b74f5e90cbdae4d0a0216cf9ffb
++Z fc61504cc821223c214ac8778fb2caf0
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index 494cc91006e8cd45ab95996f3fc001e4a0ef3f89,4658b8623ba366a495fc3affd474f844ab53b0cb..634d6e05e0538a212cd0f8e8e845dcefa7300341
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 8abc2ccaf8106f20243568cd7fa74174386eb85d7ea381201e97e2fd527033e0
 -174c2b2eef5fecd96a5fc89b81032fe81f7801f12097cea10e7e7f0a02114813
++7f0c79b94e8f55e5013e52ba64ba8b32dad1dc4e2224d2099733cbc561de1810