Merge pull request #17865 from robertohuertasm/fix-filename-associations

The whole file name is used when dealing with filename associations

src/vs/workbench/browser/labels.ts

@@ -194,7 +194,7 @@ export function getIconClasses(modelService: IModelService, modeService: IModeSe
 		else {
 
 			// Name
-			const name = dotSegments[0]; // file.txt => "file", .dockerfile => "", file.some.txt => "file"
+			const name = dotSegments.join('.'); // get the whole name
 			if (name) {
 				classes.push(`${cssEscape(name.toLowerCase())}-name-file-icon`);
 			}

src/vs/workbench/services/themes/electron-browser/themeService.ts

@@ -558,9 +558,7 @@ function _processIconThemeDocument(id: string, iconThemeDocumentPath: string, ic
 				for (let fileName in fileNames) {
 					let selectors = [];
 					let segments = fileName.toLowerCase().split('.');
-					if (segments[0]) {
-						selectors.push(`.${escapeCSS(segments[0])}-name-file-icon`);
-					}
+					selectors.push(`.${escapeCSS(fileName.toLowerCase())}-name-file-icon`);
 					for (let i = 1; i < segments.length; i++) {
 						selectors.push(`.${escapeCSS(segments.slice(i).join('.'))}-ext-file-icon`);
 					}