Separate actions for accepting the inline suggestions and completions (#12094)

Release Notes:
- Added `editor::AcceptInlineCompletion` action (bound to Tab by
default) for accepting inline completions. ([6788](https://github.com/zed-industries/zed/issues/6788))

---------

Signed-off-by: Raphael Lüthy <raphael.luethy@fhnw.ch>
Co-authored-by: Conrad Irvin <conrad@zed.dev>

assets/keymaps/default-linux.json

@@ -501,6 +501,12 @@
       "tab": "editor::ConfirmCompletion"
     }
   },
+  {
+    "context": "Editor && inline_completion && !showing_completions",
+    "bindings": {
+      "tab": "editor::AcceptInlineCompletion"
+    }
+  },
   {
     "context": "Editor && showing_code_actions",
     "bindings": {

assets/keymaps/default-macos.json

@@ -515,6 +515,12 @@
       "tab": "editor::ConfirmCompletion"
     }
   },
+  {
+    "context": "Editor && inline_completion && !showing_completions",
+    "bindings": {
+      "tab": "editor::AcceptInlineCompletion"
+    }
+  },
   {
     "context": "Editor && showing_code_actions",
     "bindings": {