Add open and close double quotes to terminal word separators

Fixes microsoft#209852

Author: Tyriar

src/vs/workbench/contrib/terminal/common/terminalConfiguration.ts

@@ -476,7 +476,7 @@ const terminalConfiguration: IConfigurationNode = {
 			markdownDescription: localize('terminal.integrated.wordSeparators', "A string containing all characters to be considered word separators when double-clicking to select word and in the fallback 'word' link detection. Since this is used for link detection, including characters such as `:` that are used when detecting links will cause the line and column part of links like `file:10:5` to be ignored."),
 			type: 'string',
 			// allow-any-unicode-next-line
-			default: ' ()[]{}\',"`─‘’|'
+			default: ' ()[]{}\',"`─‘’“”|'
 		},
 		[TerminalSettingId.EnableFileLinks]: {
 			description: localize('terminal.integrated.enableFileLinks', "Whether to enable file links in terminals. Links can be slow when working on a network drive in particular because each file link is verified against the file system. Changing this will take effect only in new terminals."),

src/vs/workbench/contrib/terminalContrib/links/test/browser/terminalLinkManager.test.ts

@@ -35,7 +35,7 @@ const defaultTerminalConfig: Partial<ITerminalConfiguration> = {
 	fastScrollSensitivity: 2,
 	mouseWheelScrollSensitivity: 1,
 	unicodeVersion: '11',
-	wordSeparators: ' ()[]{}\',"`─‘’'
+	wordSeparators: ' ()[]{}\',"`─‘’“”'
 };
 
 class TestLinkManager extends TerminalLinkManager {