Enable viewing of worktrees under Repositories (#254992)

* init

* fix: correct configuration key for detecting Git worktrees

* Fixed misspelling of worktrees and populated worktree list

* exported parseGitWorktrees

* Replaced git commands with file system reader

* Removed trailing './git' from path

* Prevent errors when accessing empty worktree directory

* Enable worktree deletion

* code clean up

* Remove exposure to git extension

* labeling and minor fixes

* throw error when no worktrees created

* Error handling when getting worktrees

---------

Co-authored-by: bhavyaus <bhavyau@microsoft.com>

extensions/git/package.json

@@ -539,6 +539,12 @@
         "category": "Git",
         "enablement": "!operationInProgress"
       },
+      {
+        "command": "git.deleteWorktree",
+        "title": "%command.deleteWorktree%",
+        "category": "Git",
+        "enablement": "!operationInProgress"
+      },
       {
         "command": "git.graph.deleteTag",
         "title": "%command.graphDeleteTag%",
@@ -1289,6 +1295,10 @@
           "command": "git.deleteTag",
           "when": "config.git.enabled && !git.missing && gitOpenRepositoryCount != 0"
         },
+        {
+          "command": "git.deleteWorktree",
+          "when": "config.git.enabled && !git.missing && gitOpenRepositoryCount != 0"
+        },
         {
           "command": "git.deleteRemoteTag",
           "when": "config.git.enabled && !git.missing && gitOpenRepositoryCount != 0"
@@ -1609,6 +1619,11 @@
           "group": "2_main@7",
           "when": "scmProvider == git"
         },
+        {
+          "submenu": "git.worktrees",
+          "group": "2_main@8",
+          "when": "scmProvider == git"
+        },
         {
           "command": "git.showOutput",
           "group": "3_footer",
@@ -2538,6 +2553,12 @@
           "command": "git.deleteRemoteTag",
           "group": "tags@3"
         }
+      ],
+      "git.worktrees": [
+        {
+          "command": "git.deleteWorktree",
+          "group": "worktrees@1"
+        }
       ]
     },
     "submenus": [
@@ -2568,6 +2589,10 @@
       {
         "id": "git.tags",
         "label": "%submenu.tags%"
+      },
+      {
+        "id": "git.worktrees",
+        "label": "%submenu.worktrees%"
       }
     ],
     "configuration": {
@@ -2977,6 +3002,18 @@
           "default": 10,
           "description": "%config.detectSubmodulesLimit%"
         },
+        "git.detectWorktrees": {
+          "type": "boolean",
+          "scope": "resource",
+          "default": false,
+          "description": "%config.detectWorktrees%"
+        },
+        "git.detectWorktreesLimit": {
+          "type": "number",
+          "scope": "resource",
+          "default": 10,
+          "description": "%config.detectWorktreesLimit%"
+        },
         "git.alwaysShowStagedChangesResourceGroup": {
           "type": "boolean",
           "scope": "resource",