Usability of PR Summarization in Chat (#6758)

Fixes #6698

Author: alexr00

package.json

@@ -3231,7 +3231,7 @@
 				"displayName": "%languageModelTools.github-pull-request_issue_fetch.displayName%",
 				"modelDescription": "Get a GitHub issue/PR's details as a JSON object.",
 				"icon": "$(info)",
-				"canBeReferencedInPrompt": true,
+				"canBeReferencedInPrompt": false,
 				"inputSchema": {
 					"type": "object",
 					"properties": {
@@ -3274,7 +3274,7 @@
 				"displayName": "%languageModelTools.github-pull-request_notification_fetch.displayName%",
 				"modelDescription": "Get a GitHub notification's details as a JSON object.",
 				"icon": "$(info)",
-				"canBeReferencedInPrompt": true,
+				"canBeReferencedInPrompt": false,
 				"inputSchema": {
 					"type": "object",
 					"properties": {
@@ -3300,7 +3300,7 @@
 				"displayName": "%languageModelTools.github-pull-request_issue_summarize.displayName%",
 				"modelDescription": "Summarizes a GitHub issue or pull request. A summary is a great way to describe an issue or pull request.",
 				"icon": "$(info)",
-				"canBeReferencedInPrompt": true,
+				"canBeReferencedInPrompt": false,
 				"inputSchema": {
 					"type": "object",
 					"properties": {
@@ -3375,7 +3375,7 @@
 				"displayName": "%languageModelTools.github-pull-request_notification_summarize.displayName%",
 				"modelDescription": "Summarizes a GitHub notification. A summary is a great way to describe a notification.",
 				"icon": "$(info)",
-				"canBeReferencedInPrompt": true,
+				"canBeReferencedInPrompt": false,
 				"inputSchema": {
 					"type": "object",
 					"properties": {
@@ -3487,7 +3487,7 @@
 				"displayName": "%languageModelTools.github-pull-request_suggest-fix.displayName%",
 				"modelDescription": "Summarize and suggest a fix for a GitHub issue.",
 				"icon": "$(info)",
-				"canBeReferencedInPrompt": true,
+				"canBeReferencedInPrompt": false,
 				"inputSchema": {
 					"type": "object",
 					"properties": {
@@ -3534,7 +3534,7 @@
 				"displayName": "%languageModelTools.github-pull-request_formSearchQuery.displayName%",
 				"modelDescription": "Converts natural language to a GitHub search query. Should ALWAYS be called before doing a search.",
 				"icon": "$(search)",
-				"canBeReferencedInPrompt": true,
+				"canBeReferencedInPrompt": false,
 				"inputSchema": {
 					"type": "object",
 					"properties": {
@@ -3578,7 +3578,7 @@
 				"displayName": "%languageModelTools.github-pull-request_doSearch.displayName%",
 				"modelDescription": "Execute a GitHub search given a well formed GitHub search query. Call github-pull-request_formSearchQuery first to get good search syntax and pass the exact result in as the 'query'.",
 				"icon": "$(search)",
-				"canBeReferencedInPrompt": true,
+				"canBeReferencedInPrompt": false,
 				"inputSchema": {
 					"type": "object",
 					"properties": {