cleanup: resolve nlreturn linter issues

nlreturn linter requires a new line before return
and branch statements except when the return is alone
inside a statement group (such as an if statement) to
increase code clarity. This commit addresses such issues.

Updates: #1586

Signed-off-by: Rakshith R <rar@redhat.com>

internal/csi-common/nodeserver-default.go

@@ -104,6 +104,7 @@ func ConstructMountOptions(mountOptions []string, volCap *csi.VolumeCapability)
 					return true
 				}
 			}
+
 			return false
 		}
 		for _, f := range m.MountFlags {
@@ -112,6 +113,7 @@ func ConstructMountOptions(mountOptions []string, volCap *csi.VolumeCapability)
 			}
 		}
 	}
+
 	return mountOptions
 }
 
@@ -122,5 +124,6 @@ func MountOptionContains(mountOptions []string, opt string) bool {
 			return true
 		}
 	}
+
 	return false
 }