Only use pwsh paste on PowerShell 6+

Fixes #95169

src/vs/workbench/contrib/terminal/browser/terminal.contribution.ts

@@ -153,7 +153,7 @@ if (BrowserFeatures.clipboard.readText) {
 	// shell, this gets handled by PSReadLine which properly handles multi-line pastes
 	if (platform.isWindows) {
 		registerSendSequenceKeybinding(String.fromCharCode('V'.charCodeAt(0) - 64), { // ctrl+v
-			when: ContextKeyExpr.and(KEYBINDING_CONTEXT_TERMINAL_FOCUS, ContextKeyExpr.equals(KEYBINDING_CONTEXT_TERMINAL_SHELL_TYPE_KEY, WindowsShellType.PowerShell)),
+			when: ContextKeyExpr.and(KEYBINDING_CONTEXT_TERMINAL_FOCUS, ContextKeyExpr.equals(KEYBINDING_CONTEXT_TERMINAL_SHELL_TYPE_KEY, WindowsShellType.Pwsh)),
 			primary: KeyMod.CtrlCmd | KeyCode.KEY_V
 		});
 	}

src/vs/workbench/contrib/terminal/browser/terminal.ts

@@ -188,7 +188,8 @@ export interface ISearchOptions {
 
 export enum WindowsShellType {
 	CommandPrompt = 'cmd',
-	PowerShell = 'pwsh',
+	PowerShell = 'powershell',
+	Pwsh = 'pwsh',
 	Wsl = 'wsl',
 	GitBash = 'gitbash'
 }

src/vs/workbench/contrib/terminal/electron-browser/windowsShellHelper.ts

@@ -151,8 +151,9 @@ export class WindowsShellHelper extends Disposable implements IWindowsShellHelpe
 			case 'cmd.exe':
 				return WindowsShellType.CommandPrompt;
 			case 'powershell.exe':
-			case 'pwsh.exe':
 				return WindowsShellType.PowerShell;
+			case 'pwsh.exe':
+				return WindowsShellType.Pwsh;
 			case 'bash.exe':
 				return WindowsShellType.GitBash;
 			case 'wsl.exe':