TF-2764 Add PDFViewer to preview PDF attachment

pubspec.lock

@@ -57,6 +57,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "7.0.0"
+  barcode:
+    dependency: transitive
+    description:
+      name: barcode
+      sha256: ab180ce22c6555d77d45f0178a523669db67f95856e3378259ef2ffeb43e6003
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.8"
   better_open_file:
     dependency: "direct main"
     description:
@@ -65,6 +73,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.6.4"
+  bidi:
+    dependency: transitive
+    description:
+      name: bidi
+      sha256: "1a7d0c696324b2089f72e7671fd1f1f64fef44c980f3cebc84e803967c597b63"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.10"
   boolean_selector:
     dependency: transitive
     description:
@@ -1335,6 +1351,31 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.0.0"
+  pdf:
+    dependency: transitive
+    description:
+      name: pdf
+      sha256: "243f05342fc0bdf140eba5b069398985cdbdd3dbb1d776cf43d5ea29cc570ba6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.10.8"
+  pdf_render:
+    dependency: "direct main"
+    description:
+      path: "."
+      ref: master
+      resolved-ref: c76f69fb8db912e8420751e219e77d930dda1a28
+      url: "https://github.com/linagora/flutter_pdf_render.git"
+    source: git
+    version: "1.4.7"
+  pdf_widget_wrapper:
+    dependency: transitive
+    description:
+      name: pdf_widget_wrapper
+      sha256: e9d31fd7782ce28ae346b127ea7d1cd748d799bddee379f31191693610e23749
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.1"
   percent_indicator:
     dependency: "direct main"
     description:
@@ -1431,6 +1472,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.5.1"
+  printing:
+    dependency: transitive
+    description:
+      name: printing
+      sha256: "1c99cab90ebcc1fff65831d264627d5b529359d563e53f33ab9b8117f2d280bc"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.12.0"
   process:
     dependency: transitive
     description:
@@ -1455,6 +1504,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.3"
+  qr:
+    dependency: transitive
+    description:
+      name: qr
+      sha256: "64957a3930367bf97cc211a5af99551d630f2f4625e38af10edd6b19131b64b3"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.1"
   quiver:
     dependency: transitive
     description: