chore: Extract PromptStore out of prompt_library (#25837)

One step closer to removing long pole with assistant/assistant2 builds

Release Notes:

- N/A

Cargo.lock

@@ -405,6 +405,7 @@ dependencies = [
  "pretty_assertions",
  "project",
  "prompt_library",
+ "prompt_store",
  "proto",
  "rand 0.8.5",
  "rope",
@@ -472,6 +473,7 @@ dependencies = [
  "picker",
  "project",
  "prompt_library",
+ "prompt_store",
  "proto",
  "rand 0.8.5",
  "rope",
@@ -526,7 +528,7 @@ dependencies = [
  "picker",
  "pretty_assertions",
  "project",
- "prompt_library",
+ "prompt_store",
  "rand 0.8.5",
  "regex",
  "rope",
@@ -617,7 +619,7 @@ dependencies = [
  "log",
  "pretty_assertions",
  "project",
- "prompt_library",
+ "prompt_store",
  "rope",
  "schemars",
  "semantic_index",
@@ -2842,7 +2844,7 @@ dependencies = [
  "pretty_assertions",
  "project",
  "prometheus",
- "prompt_library",
+ "prompt_store",
  "prost 0.9.0",
  "rand 0.8.5",
  "recent_projects",
@@ -10313,12 +10315,36 @@ dependencies = [
 [[package]]
 name = "prompt_library"
 version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "collections",
+ "editor",
+ "gpui",
+ "language",
+ "language_model",
+ "log",
+ "menu",
+ "picker",
+ "prompt_store",
+ "release_channel",
+ "rope",
+ "serde",
+ "settings",
+ "theme",
+ "ui",
+ "util",
+ "workspace",
+ "zed_actions",
+]
+
+[[package]]
+name = "prompt_store"
+version = "0.1.0"
 dependencies = [
  "anyhow",
  "assets",
  "chrono",
  "collections",
- "editor",
  "fs",
  "futures 0.3.31",
  "fuzzy",
@@ -10326,23 +10352,14 @@ dependencies = [
  "handlebars 4.5.0",
  "heed",
  "language",
- "language_model",
  "log",
- "menu",
  "parking_lot",
  "paths",
- "picker",
- "release_channel",
  "rope",
  "serde",
- "settings",
  "text",
- "theme",
- "ui",
  "util",
  "uuid",
- "workspace",
- "zed_actions",
 ]
 
 [[package]]
@@ -16828,7 +16845,7 @@ dependencies = [
  "project",
  "project_panel",
  "project_symbols",
- "prompt_library",
+ "prompt_store",
  "proto",
  "recent_projects",
  "release_channel",