Fix .import leak in CLI and add shell leak testing to debug builds and the Tcl test...

FossilOrigin-Name: df842ebc796a2b0c913d19d873e88d048808dc5283465271369e302a680317e4

diff --cc manifest
index 6950e71c352700b377706f4d55fc9f1a8822115d,753865ee0fedf159942da9036335ab339d943e04..52962bc08e56326e97baa430e26181e301018e30
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Fix\sa\sbug\sin\sthe\ssqlite3WhereMalloc()\sroutines\sthat\swere\sadded\sby\nchekc-in\s[f237e1d8cc41b937].\s\sThe\sbug\swas\sdetected\sby\sdbsqlfuzz\ntest\scase\s4c5e3e89bc251d28378be88233f531b84ec66901.
- D 2022-05-10T23:28:12.577
 -C Sync\sw/\strunk
 -D 2022-05-11T03:29:52.040
++C Fix\s.import\sleak\sin\sCLI\sand\sadd\sshell\sleak\stesting\sto\sdebug\sbuilds\sand\sthe\sTcl\stest\ssuite.
++D 2022-05-11T03:42:38.536
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -1953,8 -1953,8 +1953,8 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P e8479e56c615a6eb38b58e6d360bea8528ec14a9d7b0798b95d3eb513bd08f0f
- R 138cd6c9984d4a6160f946571e22144b
- U drh
- Z 0d2c71b3b15aea0bdd92f3cefbd28a5b
 -P d25fbdf8772f1c8283828424b208fc1758c82e9e28e0e52122c87db4af1c672d 764b71267e0b31ff7eaf2a0def7526a1a02dce4d5b456dea060d97ed342efdd1
++P 764b71267e0b31ff7eaf2a0def7526a1a02dce4d5b456dea060d97ed342efdd1 1284225b0a8c7b630416be5348e99f7280f6443548ec97ffb1c85be23352b2bc
+ R cbd08087a18243878650effded154d2f
+ U larrybr
 -Z c27a1070e620903c0ed9b0f0edb2e723
++Z ea5582c29873b8c02a6e6d4653537a8f
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index 21cc4dc1415ec0567a7e0903a36927c2aa24098d,b3c2f7d5b246992e83b50efa6bdd6dc4211c18f5..ea81295d092ea4091ec05e267b41bfb5a34d4858
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 764b71267e0b31ff7eaf2a0def7526a1a02dce4d5b456dea060d97ed342efdd1
 -1284225b0a8c7b630416be5348e99f7280f6443548ec97ffb1c85be23352b2bc
++df842ebc796a2b0c913d19d873e88d048808dc5283465271369e302a680317e4