Add delete-before-open=1 URI flag to the 'opfs' VFS to tell it to xDelete the db...

FossilOrigin-Name: e87cf0d7700d33a439c91725460fbfe3a1765b48f71b4d73c38cadf6c166e0bd

diff --cc manifest
index 8e74d529af6eea3dd499dd598aad8aeb244761a1,a08f5bc55d5068c89ce7d9ae10023a97e13963ad..b49a60d94860a04c0f61c562feba9f81d1055705
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Fix\sthe\s.expert\scommand\sin\sthe\sshell\sso\sthat\sit\sdoes\snot\sleak\smemory\sif\snot\nfollowed\sby\sSQL\sand\sso\sthat\sit\sworks\swith\sreverse_unordered_selects.
- D 2024-03-09T18:41:40.779
+ C Add\sdelete-before-open=1\sURI\sflag\sto\sthe\s'opfs'\sVFS\sto\stell\sit\sto\sxDelete\sthe\sdb\sfile\sbefore\sopening\sit,\sprimarily\sto\senable\susers\sto\swork\saround\sa\scorrupt\sdb\swithout\shaving\sto\sreach\sinto\sOPFS-specific\sAPIs\sto\sremove\sthe\sdb\sfile.
 -D 2024-03-11T09:32:38.668
++D 2024-03-11T09:34:38.171
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -2177,8 -2177,11 +2177,9 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P 76629b2bff01df3d42eef2e93d626c291a2f129bd923498941465e5bca74e9f1
- R d4c5b88cb6e2dcca46b9c5560f050fe6
- U drh
- Z b901e762e961c86b4b7445204eab052b
 -P 7ead022edaf7a0cd6a8976a1261246084975c9a5be5c893f6c751bb5f963ac0f
++P 7ead022edaf7a0cd6a8976a1261246084975c9a5be5c893f6c751bb5f963ac0f e83f9788636f7f9bcca7d2a09620c13ab4eb83436d5b2946a827e48addf0267d
+ R 9e249fa0727bf1c60716395bdc490ae1
 -T *branch * opfs-delete-before-open
 -T *sym-opfs-delete-before-open *
 -T -sym-trunk * Cancelled\sby\sbranch.
++T +closed e83f9788636f7f9bcca7d2a09620c13ab4eb83436d5b2946a827e48addf0267d Closed\sby\sintegrate-merge.
+ U stephan
 -Z f66cad865afa3b804834b14eccf1a085
++Z e48b52f183c07790d9437c2d350f2700
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index bb9cddfbd613b6022bfd2913ecd4535377b4f013,82d8c76fd0bf4efa4b7c5e5e9bbf75f58b8e0573..091241ce53d29d44ea44cae39fee20fecd38c254
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 7ead022edaf7a0cd6a8976a1261246084975c9a5be5c893f6c751bb5f963ac0f
 -e83f9788636f7f9bcca7d2a09620c13ab4eb83436d5b2946a827e48addf0267d
++e87cf0d7700d33a439c91725460fbfe3a1765b48f71b4d73c38cadf6c166e0bd