Convert json_insert(), json_replace(), and json_set() over to using only

JSONB internally.

FossilOrigin-Name: 4e2083e86f19ef7634f0b253fb924e52014b43ed0ce8acc51c36f3c5682180a6

diff --cc manifest
index 393b7c556d73e02c3ec4a8cf530ac538c2b21bd1,dd2fca3cd70519b8d2e33c6b35776e64c55b787e..0b047f5b820241526af052f4667f0f374400cd5c
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Convert\sthe\sjson_error_position()\sroutine\sto\suse\sonly\sJSONB\sinternally.
- D 2023-11-29T20:06:49.393
 -C Enhance\sjson_set()\sand\sjson_insert()\sso\sthat\sthey\screate\smissing\nsubstructure.
 -D 2023-11-30T19:06:27.003
++C Convert\sjson_insert(),\sjson_replace(),\sand\sjson_set()\sover\sto\susing\sonly\nJSONB\sinternally.
++D 2023-11-30T19:11:14.034
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -2145,8 -2145,8 +2145,9 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P fee19d0098242110d2c44ec7b9620c1210ef3f87913305f66ec85d277dd96ab6
- R de34ae25adb13e4614fb6787c64e8886
 -P 04c0d5644372446c924a2e31a26edf51ddc563a1990d170b0ed4739e3e8b239b
++P e7a8ba35bff6fde55827f978de5b343b6c134c7fa53827f5c63915a9dc2598ad cc7a641ab5ae739d31c24f0ad0caeb15a481a63fa8f13720718ea922c25862ff
+ R 4a2861d7ab7860f80e426ce44e32c50f
++T +closed cc7a641ab5ae739d31c24f0ad0caeb15a481a63fa8f13720718ea922c25862ff
  U drh
- Z beaa9ff647aa958b069175a31fff1f35
 -Z 1fffc27f10fd5ca429d5618946ebb513
++Z 60442442b5f0c2166085d00e76659699
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index 0114d98f13951ed01cdbf59c50ccd5c4cc61fbe0,7e844fc2a4e5cfe67d059ff79297410ca6a7efde..24560706afa4850461951f29faa2f8bde5673407
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- e7a8ba35bff6fde55827f978de5b343b6c134c7fa53827f5c63915a9dc2598ad
 -cc7a641ab5ae739d31c24f0ad0caeb15a481a63fa8f13720718ea922c25862ff
++4e2083e86f19ef7634f0b253fb924e52014b43ed0ce8acc51c36f3c5682180a6