Update permission request dialog copy. (#931)

As per new designs.

Part of:
- https://github.com/vector-im/element-meta/issues/1682

tests/uitests/src/test/snapshots/images/io.element.android.tests.uitests_ScreenshotTest_preview_tests[io.element.android.features.location.impl.send_null_DefaultGroup_SendLocationViewPreview-D-0_1_null_1,NEXUS_5,1.0,en].png

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:2edcc1efa55df97a1dcb1f90e6b19a3ec042647086de5a932ffd6c2d30009e64
-size 34873
+oid sha256:bb559f5cd8b391ab4406c903a59376061255142317b035bd084f153779036eb9
+size 36589

tests/uitests/src/test/snapshots/images/io.element.android.tests.uitests_ScreenshotTest_preview_tests[io.element.android.features.location.impl.send_null_DefaultGroup_SendLocationViewPreview-D-0_1_null_2,NEXUS_5,1.0,en].png

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:ae8ee38742d0c0b418186b0a24fdc85d62ab9152f21f82b5d364ae3274bc1d99
-size 33951
+oid sha256:ae73b980357c9def721335ecd69ffb8d921963d422e38c84735f53b6f4a596f2
+size 35101

tests/uitests/src/test/snapshots/images/io.element.android.tests.uitests_ScreenshotTest_preview_tests[io.element.android.features.location.impl.send_null_DefaultGroup_SendLocationViewPreview-N-0_2_null_1,NEXUS_5,1.0,en].png

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:fd9bcc236e4500d82887c53704b60f47a1178945ae00ef524e312c2c4738b9bf
-size 32516
+oid sha256:fac71b82a06f65e799ca345cc9b2e22af6c0000b9900bdcdc584ca6b0f6c2c4d
+size 34178

tests/uitests/src/test/snapshots/images/io.element.android.tests.uitests_ScreenshotTest_preview_tests[io.element.android.features.location.impl.send_null_DefaultGroup_SendLocationViewPreview-N-0_2_null_2,NEXUS_5,1.0,en].png

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:d74f90c7fd3ab16458214cead1326a985bb1317745e8f29bd06d1de13acf067c
-size 31692
+oid sha256:e66b4ae355ae37f7810db1923c4018a44b1056c6471a3ed675032f036d30ff34
+size 32685